MLIA-595 Remove old backend configuration mechanism

- Remove old backend configuration code
- Install backends into directory ~/.mlia
- Rename targets/backends in registry to make it consistent
  across codebase.

Change-Id: I9c8b012fe863280f1c692940c0dcad3ef638aaae

63 files changed, 603 insertions, 4165 deletions

diff --git a/tests/conftest.py b/tests/conftest.py
index 67549e7..d797869 100644
--- a/tests/conftest.py
+++ b/tests/conftest.py
@@ -2,9 +2,7 @@
 # SPDX-License-Identifier: Apache-2.0
 """Pytest conf module."""
 import shutil
-import tarfile
 from pathlib import Path
-from typing import Any
 from typing import Generator
 
 import pytest
@@ -31,18 +29,6 @@ def fixture_sample_context(tmpdir: str) -> ExecutionContext:
 
 
 @pytest.fixture(scope="session")
-def test_systems_path(test_resources_path: Path) -> Path:
-    """Return test systems path in a pytest fixture."""
-    return test_resources_path / "backends" / "systems"
-
-
-@pytest.fixture(scope="session")
-def test_applications_path(test_resources_path: Path) -> Path:
-    """Return test applications path in a pytest fixture."""
-    return test_resources_path / "backends" / "applications"
-
-
-@pytest.fixture(scope="session")
 def non_optimised_input_model_file(test_tflite_model: Path) -> Path:
     """Provide the path to a quantized test model file."""
     return test_tflite_model
@@ -60,66 +46,6 @@ def invalid_input_model_file(test_tflite_invalid_model: Path) -> Path:
     return test_tflite_invalid_model
 
 
-@pytest.fixture(autouse=True)
-def test_resources(monkeypatch: pytest.MonkeyPatch, test_resources_path: Path) -> Any:
-    """Force using test resources as middleware's repository."""
-
-    def get_test_resources() -> Path:
-        """Return path to the test resources."""
-        return test_resources_path / "backends"
-
-    monkeypatch.setattr(
-        "mlia.backend.executor.fs.get_backend_resources", get_test_resources
-    )
-    yield
-
-
-def create_archive(
-    archive_name: str, source: Path, destination: Path, with_root_folder: bool = False
-) -> None:
-    """Create archive from directory source."""
-    with tarfile.open(destination / archive_name, mode="w:gz") as tar:
-        for item in source.iterdir():
-            item_name = item.name
-            if with_root_folder:
-                item_name = f"{source.name}/{item_name}"
-            tar.add(item, item_name)
-
-
-def process_directory(source: Path, destination: Path) -> None:
-    """Process resource directory."""
-    destination.mkdir()
-
-    for item in source.iterdir():
-        if item.is_dir():
-            create_archive(f"{item.name}.tar.gz", item, destination)
-            create_archive(f"{item.name}_dir.tar.gz", item, destination, True)
-
-
-@pytest.fixture(scope="session", autouse=True)
-def add_archives(
-    test_resources_path: Path, tmp_path_factory: pytest.TempPathFactory
-) -> Any:
-    """Generate archives of the test resources."""
-    tmp_path = tmp_path_factory.mktemp("archives")
-
-    archives_path = tmp_path / "archives"
-    archives_path.mkdir()
-
-    if (archives_path_link := test_resources_path / "archives").is_symlink():
-        archives_path_link.unlink()
-
-    archives_path_link.symlink_to(archives_path, target_is_directory=True)
-
-    for item in ["applications", "systems"]:
-        process_directory(test_resources_path / "backends" / item, archives_path / item)
-
-    yield
-
-    archives_path_link.unlink()
-    shutil.rmtree(tmp_path)
-
-
 def get_test_keras_model() -> tf.keras.Model:
     """Return test Keras model."""
     model = tf.keras.Sequential(
diff --git a/tests/test_backend_corstone.py b/tests/test_backend_corstone.py
new file mode 100644
index 0000000..29ef084
--- /dev/null
+++ b/tests/test_backend_corstone.py
@@ -0,0 +1,11 @@
+# SPDX-FileCopyrightText: Copyright 2023, Arm Limited and/or its affiliates.
+# SPDX-License-Identifier: Apache-2.0
+"""Tests for Corstone backend."""
+from mlia.backend.corstone import is_corstone_backend
+
+
+def test_is_corstone_backend() -> None:
+    """Test function is_corstone_backend."""
+    assert is_corstone_backend("Corstone-300") is True
+    assert is_corstone_backend("Corstone-310") is True
+    assert is_corstone_backend("New backend") is False
diff --git a/tests/test_backend_corstone_install.py b/tests/test_backend_corstone_install.py
index 3b05a49..b9e6569 100644
--- a/tests/test_backend_corstone_install.py
+++ b/tests/test_backend_corstone_install.py
@@ -1,490 +1,63 @@
-# SPDX-FileCopyrightText: Copyright 2022, Arm Limited and/or its affiliates.
+# SPDX-FileCopyrightText: Copyright 2022-2023, Arm Limited and/or its affiliates.
 # SPDX-License-Identifier: Apache-2.0
 """Tests for Corstone related installation functions.."""
 from __future__ import annotations
 
-import tarfile
 from pathlib import Path
-from typing import Iterable
+from typing import Any
+from unittest.mock import call
 from unittest.mock import MagicMock
 
 import pytest
 
 from mlia.backend.corstone.install import Corstone300Installer
-from mlia.backend.corstone.install import get_corstone_300_installation
-from mlia.backend.corstone.install import get_corstone_310_installation
 from mlia.backend.corstone.install import get_corstone_installations
-from mlia.backend.corstone.install import PackagePathChecker
-from mlia.backend.corstone.install import StaticPathChecker
-from mlia.backend.executor.runner import BackendRunner
-from mlia.backend.install import BackendInfo
-from mlia.backend.install import BackendInstallation
-from mlia.backend.install import BackendInstaller
-from mlia.backend.install import BackendMetadata
-from mlia.backend.install import CompoundPathChecker
-from mlia.backend.install import DownloadAndInstall
-from mlia.backend.install import InstallFromPath
-from mlia.backend.install import PathChecker
-
-
-@pytest.fixture(name="test_mlia_resources")
-def fixture_test_mlia_resources(
-    tmp_path: Path, monkeypatch: pytest.MonkeyPatch
-) -> Path:
-    """Redirect MLIA resources resolution to the temp directory."""
-    mlia_resources = tmp_path / "resources"
-    mlia_resources.mkdir()
-
-    monkeypatch.setattr(
-        "mlia.backend.install.get_mlia_resources",
-        MagicMock(return_value=mlia_resources),
-    )
-
-    return mlia_resources
-
-
-def get_backend_installation(  # pylint: disable=too-many-arguments
-    backend_runner_mock: MagicMock = MagicMock(),
-    name: str = "test_name",
-    description: str = "test_description",
-    download_artifact: MagicMock | None = None,
-    path_checker: PathChecker = MagicMock(),
-    apps_resources: list[str] | None = None,
-    system_config: str | None = None,
-    backend_installer: BackendInstaller = MagicMock(),
-    supported_platforms: list[str] | None = None,
-) -> BackendInstallation:
-    """Get backend installation."""
-    return BackendInstallation(
-        backend_runner=backend_runner_mock,
-        metadata=BackendMetadata(
-            name=name,
-            description=description,
-            system_config=system_config or "",
-            apps_resources=apps_resources or [],
-            fvp_dir_name="sample_dir",
-            download_artifact=download_artifact,
-            supported_platforms=supported_platforms,
-        ),
-        path_checker=path_checker,
-        backend_installer=backend_installer,
-    )
-
-
-@pytest.mark.parametrize(
-    "platform, supported_platforms, expected_result",
-    [
-        ["Linux", ["Linux"], True],
-        ["Linux", [], True],
-        ["Linux", None, True],
-        ["Windows", ["Linux"], False],
-    ],
-)
-def test_could_be_installed_depends_on_platform(
-    platform: str,
-    supported_platforms: list[str] | None,
-    expected_result: bool,
-    monkeypatch: pytest.MonkeyPatch,
-) -> None:
-    """Test that installation could not be installed on unsupported platform."""
-    monkeypatch.setattr(
-        "mlia.backend.install.platform.system",
-        MagicMock(return_value=platform),
-    )
-    monkeypatch.setattr(
-        "mlia.backend.install.all_paths_valid",
-        MagicMock(return_value=True),
-    )
-    backend_runner_mock = MagicMock(spec=BackendRunner)
-
-    installation = get_backend_installation(
-        backend_runner_mock,
-        supported_platforms=supported_platforms,
-    )
-    assert installation.could_be_installed == expected_result
+from mlia.backend.install import Installation
 
 
 def test_get_corstone_installations() -> None:
-    """Test function get_corstone_installation."""
-    installs = get_corstone_installations()
-    assert len(installs) == 2
-    assert all(isinstance(install, BackendInstallation) for install in installs)
-
-
-def test_backend_installation_metadata_resolving() -> None:
-    """Test backend installation metadata resolving."""
-    backend_runner_mock = MagicMock(spec=BackendRunner)
-    installation = get_backend_installation(backend_runner_mock)
-
-    assert installation.name == "test_name"
-    assert installation.description == "test_description"
-
-    backend_runner_mock.all_installed.return_value = False
-    assert installation.already_installed is False
-
-    assert installation.could_be_installed is True
-
-
-def test_backend_installation_supported_install_types(tmp_path: Path) -> None:
-    """Test supported installation types."""
-    installation_no_download_artifact = get_backend_installation()
-    assert installation_no_download_artifact.supports(DownloadAndInstall()) is False
-
-    installation_with_download_artifact = get_backend_installation(
-        download_artifact=MagicMock()
-    )
-    assert installation_with_download_artifact.supports(DownloadAndInstall()) is True
-
-    path_checker_mock = MagicMock(return_value=BackendInfo(tmp_path))
-    installation_can_install_from_dir = get_backend_installation(
-        path_checker=path_checker_mock
-    )
-    assert installation_can_install_from_dir.supports(InstallFromPath(tmp_path)) is True
-
-    any_installation = get_backend_installation()
-    assert any_installation.supports("unknown_install_type") is False  # type: ignore
-
-
-def test_backend_installation_install_wrong_type() -> None:
-    """Test that operation should fail if wrong install type provided."""
-    with pytest.raises(Exception, match="Unable to install wrong_install_type"):
-        backend_runner_mock = MagicMock(spec=BackendRunner)
-        installation = get_backend_installation(backend_runner_mock)
-
-        installation.install("wrong_install_type")  # type: ignore
-
-
-def test_backend_installation_install_from_path(
-    tmp_path: Path, test_mlia_resources: Path
-) -> None:
-    """Test installation from the path."""
-    system_config = test_mlia_resources / "example_config.json"
-    system_config.touch()
-
-    sample_app = test_mlia_resources / "sample_app"
-    sample_app.mkdir()
-
-    dist_dir = tmp_path / "dist"
-    dist_dir.mkdir()
-
-    path_checker_mock = MagicMock(return_value=BackendInfo(dist_dir))
-
-    backend_runner_mock = MagicMock(spec=BackendRunner)
-    installation = get_backend_installation(
-        backend_runner_mock=backend_runner_mock,
-        path_checker=path_checker_mock,
-        apps_resources=[sample_app.name],
-        system_config="example_config.json",
-    )
-
-    assert installation.supports(InstallFromPath(dist_dir)) is True
-    installation.install(InstallFromPath(dist_dir))
-
-    backend_runner_mock.install_system.assert_called_once()
-    backend_runner_mock.install_application.assert_called_once_with(sample_app)
-
-
-@pytest.mark.parametrize("copy_source", [True, False])
-def test_backend_installation_install_from_static_path(
-    tmp_path: Path, test_mlia_resources: Path, copy_source: bool
-) -> None:
-    """Test installation from the predefined path."""
-    system_config = test_mlia_resources / "example_config.json"
-    system_config.touch()
-
-    custom_system_config = test_mlia_resources / "custom_config.json"
-    custom_system_config.touch()
-
-    sample_app = test_mlia_resources / "sample_app"
-    sample_app.mkdir()
-
-    predefined_location = tmp_path / "backend"
-    predefined_location.mkdir()
-
-    predefined_location_file = predefined_location / "file.txt"
-    predefined_location_file.touch()
-
-    predefined_location_dir = predefined_location / "folder"
-    predefined_location_dir.mkdir()
-    nested_file = predefined_location_dir / "nested_file.txt"
-    nested_file.touch()
-
-    backend_runner_mock = MagicMock(spec=BackendRunner)
-
-    def check_install_dir(install_dir: Path) -> None:
-        """Check content of the install dir."""
-        assert install_dir.is_dir()
-        files = list(install_dir.iterdir())
-
-        if copy_source:
-            assert len(files) == 3
-            assert all(install_dir / item in files for item in ["file.txt", "folder"])
-            assert (install_dir / "folder/nested_file.txt").is_file()
-        else:
-            assert len(files) == 1
-
-        assert install_dir / "custom_config.json" in files
-
-    backend_runner_mock.install_system.side_effect = check_install_dir
-
-    installation = get_backend_installation(
-        backend_runner_mock=backend_runner_mock,
-        path_checker=StaticPathChecker(
-            predefined_location,
-            ["file.txt"],
-            copy_source=copy_source,
-            system_config=str(custom_system_config),
-        ),
-        apps_resources=[sample_app.name],
-        system_config="example_config.json",
-    )
-
-    assert installation.supports(InstallFromPath(predefined_location)) is True
-    installation.install(InstallFromPath(predefined_location))
-
-    backend_runner_mock.install_system.assert_called_once()
-    backend_runner_mock.install_application.assert_called_once_with(sample_app)
-
-
-def create_sample_fvp_archive(tmp_path: Path) -> Path:
-    """Create sample FVP tar archive."""
-    fvp_archive_dir = tmp_path / "archive"
-    fvp_archive_dir.mkdir()
-
-    sample_file = fvp_archive_dir / "sample.txt"
-    sample_file.write_text("Sample file")
-
-    sample_dir = fvp_archive_dir / "sample_dir"
-    sample_dir.mkdir()
-
-    fvp_archive = tmp_path / "archive.tgz"
-    with tarfile.open(fvp_archive, "w:gz") as fvp_archive_tar:
-        fvp_archive_tar.add(fvp_archive_dir, arcname=fvp_archive_dir.name)
-
-    return fvp_archive
-
-
-def test_backend_installation_download_and_install(
-    test_mlia_resources: Path, tmp_path: Path
-) -> None:
-    """Test downloading and installation process."""
-    fvp_archive = create_sample_fvp_archive(tmp_path)
-
-    system_config = test_mlia_resources / "example_config.json"
-    system_config.touch()
-
-    download_artifact_mock = MagicMock()
-    download_artifact_mock.download_to.return_value = fvp_archive
+    """Test function get_corstone_installations."""
+    installations = get_corstone_installations()
+    assert len(installations) == 2
 
-    path_checker = PackagePathChecker(["archive/sample.txt"], "archive/sample_dir")
-
-    def installer(_eula_agreement: bool, dist_dir: Path) -> Path:
-        """Sample installer."""
-        return dist_dir
-
-    backend_runner_mock = MagicMock(spec=BackendRunner)
-    installation = get_backend_installation(
-        backend_runner_mock,
-        download_artifact=download_artifact_mock,
-        backend_installer=installer,
-        path_checker=path_checker,
-        system_config="example_config.json",
-    )
-
-    installation.install(DownloadAndInstall())
-
-    backend_runner_mock.install_system.assert_called_once()
-
-
-@pytest.mark.parametrize(
-    "dir_content, expected_result",
-    [
-        [
-            ["models/", "file1.txt", "file2.txt"],
-            "models",
-        ],
-        [
-            ["file1.txt", "file2.txt"],
-            None,
-        ],
-        [
-            ["models/", "file2.txt"],
-            None,
-        ],
-    ],
-)
-def test_corstone_path_checker_valid_path(
-    tmp_path: Path, dir_content: list[str], expected_result: str | None
-) -> None:
-    """Test Corstone path checker valid scenario."""
-    path_checker = PackagePathChecker(["file1.txt", "file2.txt"], "models")
-
-    for item in dir_content:
-        if item.endswith("/"):
-            item_dir = tmp_path / item
-            item_dir.mkdir()
-        else:
-            item_file = tmp_path / item
-            item_file.touch()
-
-    result = path_checker(tmp_path)
-    expected = (
-        None if expected_result is None else BackendInfo(tmp_path / expected_result)
-    )
-
-    assert result == expected
-
-
-@pytest.mark.parametrize("system_config", [None, "system_config"])
-@pytest.mark.parametrize("copy_source", [True, False])
-def test_static_path_checker(
-    tmp_path: Path, copy_source: bool, system_config: str | None
-) -> None:
-    """Test static path checker."""
-    static_checker = StaticPathChecker(
-        tmp_path, [], copy_source=copy_source, system_config=system_config
-    )
-    assert static_checker(tmp_path) == BackendInfo(
-        tmp_path, copy_source=copy_source, system_config=system_config
-    )
-
-
-def test_static_path_checker_not_valid_path(tmp_path: Path) -> None:
-    """Test static path checker should return None if path is not valid."""
-    static_checker = StaticPathChecker(tmp_path, ["file.txt"])
-    assert static_checker(tmp_path / "backend") is None
-
-
-def test_static_path_checker_not_valid_structure(tmp_path: Path) -> None:
-    """Test static path checker should return None if files are missing."""
-    static_checker = StaticPathChecker(tmp_path, ["file.txt"])
-    assert static_checker(tmp_path) is None
-
-    missing_file = tmp_path / "file.txt"
-    missing_file.touch()
-
-    assert static_checker(tmp_path) == BackendInfo(tmp_path, copy_source=False)
-
-
-def test_compound_path_checker(tmp_path: Path) -> None:
-    """Test compound path checker."""
-    path_checker_path_valid_path = MagicMock(return_value=BackendInfo(tmp_path))
-    path_checker_path_not_valid_path = MagicMock(return_value=None)
-
-    checker = CompoundPathChecker(
-        path_checker_path_valid_path, path_checker_path_not_valid_path
-    )
-    assert checker(tmp_path) == BackendInfo(tmp_path)
-
-    checker = CompoundPathChecker(path_checker_path_not_valid_path)
-    assert checker(tmp_path) is None
+    assert all(isinstance(item, Installation) for item in installations)
 
 
 @pytest.mark.parametrize(
-    "eula_agreement, expected_command",
+    "eula_agreement, expected_calls",
     [
-        [
-            True,
-            [
-                "./FVP_Corstone_SSE-300.sh",
-                "-q",
-                "-d",
-                "corstone-300",
-            ],
-        ],
+        [True, [call(["./FVP_Corstone_SSE-300.sh", "-q", "-d", "corstone-300"])]],
         [
             False,
             [
-                "./FVP_Corstone_SSE-300.sh",
-                "-q",
-                "-d",
-                "corstone-300",
-                "--nointeractive",
-                "--i-agree-to-the-contained-eula",
+                call(
+                    [
+                        "./FVP_Corstone_SSE-300.sh",
+                        "-q",
+                        "-d",
+                        "corstone-300",
+                        "--nointeractive",
+                        "--i-agree-to-the-contained-eula",
+                    ]
+                )
             ],
         ],
     ],
 )
-def test_corstone_300_installer(
+def test_corstone_installer(
     tmp_path: Path,
     monkeypatch: pytest.MonkeyPatch,
     eula_agreement: bool,
-    expected_command: list[str],
+    expected_calls: Any,
 ) -> None:
-    """Test Corstone-300 installer."""
-    command_mock = MagicMock()
+    """Test Corstone 300 installer."""
+    mock_check_call = MagicMock()
 
     monkeypatch.setattr(
-        "mlia.backend.corstone.install.subprocess.check_call", command_mock
+        "mlia.backend.corstone.install.subprocess.check_call", mock_check_call
     )
-    installer = Corstone300Installer()
-    result = installer(eula_agreement, tmp_path)
-
-    command_mock.assert_called_once_with(expected_command)
-    assert result == tmp_path / "corstone-300"
-
-
-@pytest.mark.parametrize(
-    "corstone_installation, expected_paths",
-    [
-        [
-            get_corstone_300_installation(),
-            {
-                "/opt/VHT/VHT_Corstone_SSE-300_Ethos-U55",
-                "/opt/VHT/VHT_Corstone_SSE-300_Ethos-U65",
-            },
-        ],
-        [
-            get_corstone_310_installation(),
-            {
-                "/opt/VHT/VHT_Corstone_SSE-310",
-                "/opt/VHT/VHT_Corstone_SSE-310_Ethos-U65",
-            },
-        ],
-    ],
-)
-def test_corstone_vht_install(
-    corstone_installation: BackendInstallation,
-    expected_paths: set,
-    monkeypatch: pytest.MonkeyPatch,
-) -> None:
-    """Test if Corstone 300/310 could be installed from /opt/VHT."""
-
-    def _all_files_exist(paths: Iterable[Path]) -> bool:
-        """Check if all files exist."""
-        pathset = {item.as_posix() for item in paths}
-        return pathset == expected_paths
 
-    create_destination_and_install_mock = MagicMock()
-
-    monkeypatch.setattr("mlia.backend.install.all_files_exist", _all_files_exist)
-
-    monkeypatch.setattr(
-        "mlia.backend.executor.system.get_available_systems", lambda: []
-    )
-
-    monkeypatch.setattr(
-        "mlia.backend.executor.system.create_destination_and_install",
-        create_destination_and_install_mock,
-    )
-
-    corstone_installation.install(InstallFromPath(Path("/opt/VHT")))
-
-    create_destination_and_install_mock.assert_called_once()
-
-
-def test_corstone_uninstall(
-    monkeypatch: pytest.MonkeyPatch,
-) -> None:
-    """Test the uninstall function in Corstone."""
-    remove_system_mock = MagicMock()
-
-    monkeypatch.setattr(
-        "mlia.backend.install.remove_system",
-        remove_system_mock,
-    )
-
-    installation = get_corstone_300_installation()
+    installer = Corstone300Installer()
+    installer(eula_agreement, tmp_path)
 
-    installation.uninstall()
-    remove_system_mock.assert_called_once_with("corstone_300")
+    assert mock_check_call.mock_calls == expected_calls
diff --git a/tests/test_backend_corstone_performance.py b/tests/test_backend_corstone_performance.py
index d41062f..2d5b196 100644
--- a/tests/test_backend_corstone_performance.py
+++ b/tests/test_backend_corstone_performance.py
@@ -4,516 +4,167 @@
 from __future__ import annotations
 
 import base64
-import json
-from contextlib import ExitStack as does_not_raise
 from pathlib import Path
-from typing import Any
+from typing import Generator
 from unittest.mock import MagicMock
-from unittest.mock import PropertyMock
 
 import pytest
 
-from mlia.backend.corstone.performance import BackendRunner
-from mlia.backend.corstone.performance import DeviceInfo
+from mlia.backend.corstone.performance import build_corstone_command
 from mlia.backend.corstone.performance import estimate_performance
 from mlia.backend.corstone.performance import GenericInferenceOutputParser
-from mlia.backend.corstone.performance import GenericInferenceRunnerEthosU
-from mlia.backend.corstone.performance import get_generic_runner
-from mlia.backend.corstone.performance import ModelInfo
+from mlia.backend.corstone.performance import get_metrics
 from mlia.backend.corstone.performance import PerformanceMetrics
-from mlia.backend.executor.application import get_application
-from mlia.backend.executor.execution import ExecutionContext
-from mlia.backend.executor.output_consumer import Base64OutputConsumer
-from mlia.backend.executor.system import get_system
-from mlia.backend.registry import get_supported_backends
-from mlia.target.registry import is_supported
-
+from mlia.backend.errors import BackendExecutionFailed
+from mlia.utils.proc import Command
+
+
+def encode_b64(data: str) -> str:
+    """Encode data in base64 format."""
+    return base64.b64encode(data.encode()).decode()
+
+
+def valid_fvp_output() -> list[str]:
+    """Return valid FVP output that could be succesfully parsed."""
+    json_data = """[
+    {
+        "profiling_group": "Inference",
+        "count": 1,
+        "samples": [
+            {"name": "NPU IDLE", "value": [2]},
+            {"name": "NPU AXI0_RD_DATA_BEAT_RECEIVED", "value": [4]},
+            {"name": "NPU AXI0_WR_DATA_BEAT_WRITTEN", "value": [5]},
+            {"name": "NPU AXI1_RD_DATA_BEAT_RECEIVED", "value": [6]},
+            {"name": "NPU ACTIVE", "value": [1]},
+            {"name": "NPU TOTAL", "value": [3]}
+        ]
+    }
+]"""
 
-def _mock_encode_b64(data: dict[str, int]) -> str:
-    """
-    Encode the given data into a mock base64-encoded string of JSON.
+    return [
+        "some output",
+        f"<metrics>{encode_b64(json_data)}</metrics>",
+        "some_output",
+    ]
 
-    This reproduces the base64 encoding done in the Corstone applications.
 
-    JSON example:
+def test_generic_inference_output_parser_success() -> None:
+    """Test successful generic inference output parsing."""
+    output_parser = GenericInferenceOutputParser()
+    for line in valid_fvp_output():
+        output_parser(line)
 
-    ```json
-    [{'count': 1,
-        'profiling_group': 'Inference',
-        'samples': [{'name': 'NPU IDLE', 'value': [612]},
-                    {'name': 'NPU AXI0_RD_DATA_BEAT_RECEIVED', 'value': [165872]},
-                    {'name': 'NPU AXI0_WR_DATA_BEAT_WRITTEN', 'value': [88712]},
-                    {'name': 'NPU AXI1_RD_DATA_BEAT_RECEIVED', 'value': [57540]},
-                    {'name': 'NPU ACTIVE', 'value': [520489]},
-                    {'name': 'NPU TOTAL', 'value': [521101]}]}]
-    ```
-    """
-    wrapped_data = [
-        {
-            "count": 1,
-            "profiling_group": "Inference",
-            "samples": [
-                {"name": name, "value": [value]} for name, value in data.items()
-            ],
-        }
-    ]
-    json_str = json.dumps(wrapped_data)
-    json_bytes = bytearray(json_str, encoding="utf-8")
-    json_b64 = base64.b64encode(json_bytes).decode("utf-8")
-    tag = Base64OutputConsumer.TAG_NAME
-    return f"<{tag}>{json_b64}</{tag}>"
+    assert output_parser.get_metrics() == PerformanceMetrics(1, 2, 3, 4, 5, 6)
 
 
 @pytest.mark.parametrize(
-    "data, is_ready, result, missed_keys",
+    "wrong_fvp_output",
     [
-        (
-            [],
-            False,
-            {},
-            {
-                "npu_active_cycles",
-                "npu_axi0_rd_data_beat_received",
-                "npu_axi0_wr_data_beat_written",
-                "npu_axi1_rd_data_beat_received",
-                "npu_idle_cycles",
-                "npu_total_cycles",
-            },
-        ),
-        (
-            ["sample text"],
-            False,
-            {},
-            {
-                "npu_active_cycles",
-                "npu_axi0_rd_data_beat_received",
-                "npu_axi0_wr_data_beat_written",
-                "npu_axi1_rd_data_beat_received",
-                "npu_idle_cycles",
-                "npu_total_cycles",
-            },
-        ),
-        (
-            [_mock_encode_b64({"NPU AXI0_RD_DATA_BEAT_RECEIVED": 123})],
-            False,
-            {"npu_axi0_rd_data_beat_received": 123},
-            {
-                "npu_active_cycles",
-                "npu_axi0_wr_data_beat_written",
-                "npu_axi1_rd_data_beat_received",
-                "npu_idle_cycles",
-                "npu_total_cycles",
-            },
-        ),
-        (
-            [
-                _mock_encode_b64(
-                    {
-                        "NPU AXI0_RD_DATA_BEAT_RECEIVED": 1,
-                        "NPU AXI0_WR_DATA_BEAT_WRITTEN": 2,
-                        "NPU AXI1_RD_DATA_BEAT_RECEIVED": 3,
-                        "NPU ACTIVE": 4,
-                        "NPU IDLE": 5,
-                        "NPU TOTAL": 6,
-                    }
-                )
-            ],
-            True,
-            {
-                "npu_axi0_rd_data_beat_received": 1,
-                "npu_axi0_wr_data_beat_written": 2,
-                "npu_axi1_rd_data_beat_received": 3,
-                "npu_active_cycles": 4,
-                "npu_idle_cycles": 5,
-                "npu_total_cycles": 6,
-            },
-            set(),
-        ),
+        [],
+        ["NPU IDLE: 123"],
+        ["<metrics>123</metrics>"],
     ],
 )
-def test_generic_inference_output_parser(
-    data: dict[str, int], is_ready: bool, result: dict, missed_keys: set[str]
-) -> None:
-    """Test generic runner output parser."""
-    parser = GenericInferenceOutputParser()
+def test_generic_inference_output_parser_failure(wrong_fvp_output: list[str]) -> None:
+    """Test unsuccessful generic inference output parsing."""
+    output_parser = GenericInferenceOutputParser()
 
-    for line in data:
-        parser.feed(line)
+    for line in wrong_fvp_output:
+        output_parser(line)
 
-    assert parser.is_ready() == is_ready
-    assert parser.result == result
-    assert parser.missed_keys() == missed_keys
+    with pytest.raises(ValueError, match="Unable to parse output and get metrics"):
+        output_parser.get_metrics()
 
 
 @pytest.mark.parametrize(
-    "device, system, application, backend, expected_error",
+    "backend_path, fvp, target, mac, model, profile, expected_command",
     [
-        (
-            DeviceInfo(device_type="Ethos-U55", mac=32),
-            ("Corstone-300: Cortex-M55+Ethos-U55", True),
-            ("Generic Inference Runner: Ethos-U55", True),
-            "Corstone-300",
-            does_not_raise(),
-        ),
-        (
-            DeviceInfo(device_type="Ethos-U55", mac=32),
-            ("Corstone-300: Cortex-M55+Ethos-U55", False),
-            ("Generic Inference Runner: Ethos-U55", False),
-            "Corstone-300",
-            pytest.raises(
-                Exception,
-                match=r"System Corstone-300: Cortex-M55\+Ethos-U55 is not installed",
-            ),
-        ),
-        (
-            DeviceInfo(device_type="Ethos-U55", mac=32),
-            ("Corstone-300: Cortex-M55+Ethos-U55", True),
-            ("Generic Inference Runner: Ethos-U55", False),
-            "Corstone-300",
-            pytest.raises(
-                Exception,
-                match=r"Application Generic Inference Runner: Ethos-U55 "
-                r"for the system Corstone-300: Cortex-M55\+Ethos-U55 is not installed",
-            ),
-        ),
-        (
-            DeviceInfo(device_type="Ethos-U55", mac=32),
-            ("Corstone-310: Cortex-M85+Ethos-U55", True),
-            ("Generic Inference Runner: Ethos-U55", True),
-            "Corstone-310",
-            does_not_raise(),
-        ),
-        (
-            DeviceInfo(device_type="Ethos-U55", mac=32),
-            ("Corstone-310: Cortex-M85+Ethos-U55", False),
-            ("Generic Inference Runner: Ethos-U55", False),
-            "Corstone-310",
-            pytest.raises(
-                Exception,
-                match=r"System Corstone-310: Cortex-M85\+Ethos-U55 is not installed",
-            ),
-        ),
-        (
-            DeviceInfo(device_type="Ethos-U55", mac=32),
-            ("Corstone-310: Cortex-M85+Ethos-U55", True),
-            ("Generic Inference Runner: Ethos-U55", False),
-            "Corstone-310",
-            pytest.raises(
-                Exception,
-                match=r"Application Generic Inference Runner: Ethos-U55 "
-                r"for the system Corstone-310: Cortex-M85\+Ethos-U55 is not installed",
-            ),
-        ),
-        (
-            DeviceInfo(device_type="Ethos-U65", mac=512),
-            ("Corstone-300: Cortex-M55+Ethos-U65", True),
-            ("Generic Inference Runner: Ethos-U65", True),
-            "Corstone-300",
-            does_not_raise(),
-        ),
-        (
-            DeviceInfo(device_type="Ethos-U65", mac=512),
-            ("Corstone-300: Cortex-M55+Ethos-U65", False),
-            ("Generic Inference Runner: Ethos-U65", False),
-            "Corstone-300",
-            pytest.raises(
-                Exception,
-                match=r"System Corstone-300: Cortex-M55\+Ethos-U65 is not installed",
-            ),
-        ),
-        (
-            DeviceInfo(device_type="Ethos-U65", mac=512),
-            ("Corstone-300: Cortex-M55+Ethos-U65", True),
-            ("Generic Inference Runner: Ethos-U65", False),
+        [
+            Path("backend_path"),
             "Corstone-300",
-            pytest.raises(
-                Exception,
-                match=r"Application Generic Inference Runner: Ethos-U65 "
-                r"for the system Corstone-300: Cortex-M55\+Ethos-U65 is not installed",
+            "ethos-u55",
+            256,
+            Path("model.tflite"),
+            "default",
+            Command(
+                [
+                    "backend_path/FVP_Corstone_SSE-300_Ethos-U55",
+                    "-a",
+                    "apps/backends/applications/"
+                    "inference_runner-sse-300-22.08.02-ethos-U55-Default-noTA/"
+                    "ethos-u-inference_runner.axf",
+                    "--data",
+                    "model.tflite@0x90000000",
+                    "-C",
+                    "ethosu.num_macs=256",
+                    "-C",
+                    "mps3_board.telnetterminal0.start_telnet=0",
+                    "-C",
+                    "mps3_board.uart0.out_file='-'",
+                    "-C",
+                    "mps3_board.uart0.shutdown_on_eot=1",
+                    "-C",
+                    "mps3_board.visualisation.disable-visualisation=1",
+                    "--stat",
+                ]
             ),
-        ),
-        (
-            DeviceInfo(device_type="Ethos-U65", mac=512),
-            ("Corstone-310: Cortex-M85+Ethos-U65", True),
-            ("Generic Inference Runner: Ethos-U65", True),
-            "Corstone-310",
-            does_not_raise(),
-        ),
-        (
-            DeviceInfo(device_type="Ethos-U65", mac=512),
-            ("Corstone-310: Cortex-M85+Ethos-U65", False),
-            ("Generic Inference Runner: Ethos-U65", False),
-            "Corstone-310",
-            pytest.raises(
-                Exception,
-                match=r"System Corstone-310: Cortex-M85\+Ethos-U65 is not installed",
-            ),
-        ),
-        (
-            DeviceInfo(device_type="Ethos-U65", mac=512),
-            ("Corstone-310: Cortex-M85+Ethos-U65", True),
-            ("Generic Inference Runner: Ethos-U65", False),
-            "Corstone-310",
-            pytest.raises(
-                Exception,
-                match=r"Application Generic Inference Runner: Ethos-U65 "
-                r"for the system Corstone-310: Cortex-M85\+Ethos-U65 is not installed",
-            ),
-        ),
-        (
-            DeviceInfo(
-                device_type="unknown_device",  # type: ignore
-                mac=None,  # type: ignore
-            ),
-            ("some_system", False),
-            ("some_application", False),
-            "some backend",
-            pytest.raises(Exception, match="Unsupported device unknown_device"),
-        ),
+        ],
     ],
 )
-def test_estimate_performance(
-    device: DeviceInfo,
-    system: tuple[str, bool],
-    application: tuple[str, bool],
-    backend: str,
-    expected_error: Any,
-    test_tflite_model: Path,
-    backend_runner: MagicMock,
+def test_build_corsone_command(
+    monkeypatch: pytest.MonkeyPatch,
+    backend_path: Path,
+    fvp: str,
+    target: str,
+    mac: int,
+    model: Path,
+    profile: str,
+    expected_command: Command,
 ) -> None:
-    """Test getting performance estimations."""
-    system_name, system_installed = system
-    application_name, application_installed = application
-
-    backend_runner.is_system_installed.return_value = system_installed
-    backend_runner.is_application_installed.return_value = application_installed
-
-    mock_context = create_mock_context(
-        [
-            _mock_encode_b64(
-                {
-                    "NPU AXI0_RD_DATA_BEAT_RECEIVED": 1,
-                    "NPU AXI0_WR_DATA_BEAT_WRITTEN": 2,
-                    "NPU AXI1_RD_DATA_BEAT_RECEIVED": 3,
-                    "NPU ACTIVE": 4,
-                    "NPU IDLE": 5,
-                    "NPU TOTAL": 6,
-                }
-            )
-        ]
+    """Test function build_corstone_command."""
+    monkeypatch.setattr(
+        "mlia.backend.corstone.performance.get_mlia_resources", lambda: Path("apps")
     )
 
-    backend_runner.run_application.return_value = mock_context
+    command = build_corstone_command(backend_path, fvp, target, mac, model, profile)
+    assert command == expected_command
 
-    with expected_error:
-        perf_metrics = estimate_performance(
-            ModelInfo(test_tflite_model), device, backend
-        )
-
-        assert isinstance(perf_metrics, PerformanceMetrics)
-        assert perf_metrics == PerformanceMetrics(
-            npu_axi0_rd_data_beat_received=1,
-            npu_axi0_wr_data_beat_written=2,
-            npu_axi1_rd_data_beat_received=3,
-            npu_active_cycles=4,
-            npu_idle_cycles=5,
-            npu_total_cycles=6,
-        )
-
-        assert backend_runner.is_system_installed.called_once_with(system_name)
-        assert backend_runner.is_application_installed.called_once_with(
-            application_name, system_name
-        )
-
-
-@pytest.mark.parametrize("backend", ("Corstone-300", "Corstone-310"))
-def test_estimate_performance_insufficient_data(
-    backend_runner: MagicMock, test_tflite_model: Path, backend: str
-) -> None:
-    """Test that performance could not be estimated when not all data presented."""
-    backend_runner.is_system_installed.return_value = True
-    backend_runner.is_application_installed.return_value = True
-
-    no_total_cycles_output = {
-        "NPU AXI0_RD_DATA_BEAT_RECEIVED": 1,
-        "NPU AXI0_WR_DATA_BEAT_WRITTEN": 2,
-        "NPU AXI1_RD_DATA_BEAT_RECEIVED": 3,
-        "NPU ACTIVE": 4,
-        "NPU IDLE": 5,
-    }
-    mock_context = create_mock_context([_mock_encode_b64(no_total_cycles_output)])
-
-    backend_runner.run_application.return_value = mock_context
 
+def test_get_metrics_wrong_fvp() -> None:
+    """Test that command construction should fail for wrong FVP."""
     with pytest.raises(
-        Exception, match="Unable to get performance metrics, insufficient data"
+        BackendExecutionFailed, match=r"Unable to construct a command line for some_fvp"
     ):
-        device = DeviceInfo(device_type="Ethos-U55", mac=32)
-        estimate_performance(ModelInfo(test_tflite_model), device, backend)
-
-
-def create_mock_process(stdout: list[str], stderr: list[str]) -> MagicMock:
-    """Mock underlying process."""
-    mock_process = MagicMock()
-    mock_process.poll.return_value = 0
-    type(mock_process).stdout = PropertyMock(return_value=iter(stdout))
-    type(mock_process).stderr = PropertyMock(return_value=iter(stderr))
-    return mock_process
-
-
-def create_mock_context(stdout: list[str]) -> ExecutionContext:
-    """Mock ExecutionContext."""
-    ctx = ExecutionContext(
-        app=get_application("application_1")[0],
-        app_params=[],
-        system=get_system("System 1"),
-        system_params=[],
-    )
-    ctx.stdout = bytearray("\n".join(stdout).encode("utf-8"))
-    return ctx
-
-
-@pytest.mark.parametrize("backend", ("Corstone-300", "Corstone-310"))
-def test_estimate_performance_invalid_output(
-    test_tflite_model: Path, backend_runner: MagicMock, backend: str
-) -> None:
-    """Test estimation could not be done if inference produces unexpected output."""
-    backend_runner.is_system_installed.return_value = True
-    backend_runner.is_application_installed.return_value = True
-
-    mock_context = create_mock_context(["Something", "is", "wrong"])
-    backend_runner.run_application.return_value = mock_context
-
-    with pytest.raises(Exception, match="Unable to get performance metrics"):
-        estimate_performance(
-            ModelInfo(test_tflite_model),
-            DeviceInfo(device_type="Ethos-U55", mac=256),
-            backend=backend,
+        get_metrics(
+            Path("backend_path"),
+            "some_fvp",
+            "ethos-u55",
+            256,
+            Path("model.tflite"),
         )
 
 
-@pytest.mark.parametrize("backend", ("Corstone-300", "Corstone-310"))
-def test_get_generic_runner(backend: str) -> None:
-    """Test function get_generic_runner()."""
-    device_info = DeviceInfo("Ethos-U55", 256)
-
-    runner = get_generic_runner(device_info=device_info, backend=backend)
-    assert isinstance(runner, GenericInferenceRunnerEthosU)
-
-    with pytest.raises(RuntimeError):
-        get_generic_runner(device_info=device_info, backend="UNKNOWN_BACKEND")
-
-
-@pytest.mark.parametrize(
-    ("backend", "device_type"),
-    (
-        ("Corstone-300", "Ethos-U55"),
-        ("Corstone-300", "Ethos-U65"),
-        ("Corstone-310", "Ethos-U55"),
-        ("ArmNNTFLiteDelegate", "Cortex-A"),
-        ("TOSA-Checker", "TOSA"),
-        ("Corstone-300", None),
-    ),
-)
-def test_backend_support(backend: str, device_type: str) -> None:
-    """Test backend & device support."""
-    assert is_supported(backend)
-    assert is_supported(backend, device_type)
-
-    assert backend in get_supported_backends()
-
-
-class TestGenericInferenceRunnerEthosU:
-    """Test for the class GenericInferenceRunnerEthosU."""
+def test_estimate_performance(monkeypatch: pytest.MonkeyPatch) -> None:
+    """Test function estimate_performance."""
+    mock_repository = MagicMock()
+    mock_repository.get_backend_settings.return_value = Path("backend_path"), {
+        "profile": "default"
+    }
 
-    @staticmethod
-    @pytest.mark.parametrize(
-        "device, backend, expected_system, expected_app",
-        [
-            [
-                DeviceInfo("Ethos-U55", 256),
-                "Corstone-300",
-                "Corstone-300: Cortex-M55+Ethos-U55",
-                "Generic Inference Runner: Ethos-U55",
-            ],
-            [
-                DeviceInfo("Ethos-U65", 256),
-                "Corstone-300",
-                "Corstone-300: Cortex-M55+Ethos-U65",
-                "Generic Inference Runner: Ethos-U65",
-            ],
-            [
-                DeviceInfo("Ethos-U55", 256),
-                "Corstone-310",
-                "Corstone-310: Cortex-M85+Ethos-U55",
-                "Generic Inference Runner: Ethos-U55",
-            ],
-            [
-                DeviceInfo("Ethos-U65", 256),
-                "Corstone-310",
-                "Corstone-310: Cortex-M85+Ethos-U65",
-                "Generic Inference Runner: Ethos-U65",
-            ],
-        ],
+    monkeypatch.setattr(
+        "mlia.backend.corstone.performance.get_backend_repository",
+        lambda: mock_repository,
     )
-    def test_artifact_resolver(
-        device: DeviceInfo, backend: str, expected_system: str, expected_app: str
-    ) -> None:
-        """Test artifact resolving based on the provided parameters."""
-        generic_runner = get_generic_runner(device, backend)
-        assert isinstance(generic_runner, GenericInferenceRunnerEthosU)
-
-        assert generic_runner.system_name == expected_system
-        assert generic_runner.app_name == expected_app
-
-    @staticmethod
-    def test_artifact_resolver_unsupported_backend() -> None:
-        """Test that it should be not possible to use unsupported backends."""
-        with pytest.raises(
-            RuntimeError, match="Unsupported device Ethos-U65 for backend test_backend"
-        ):
-            get_generic_runner(DeviceInfo("Ethos-U65", 256), "test_backend")
-
-    @staticmethod
-    @pytest.mark.parametrize("backend", ("Corstone-300", "Corstone-310"))
-    def test_inference_should_fail_if_system_not_installed(
-        backend_runner: MagicMock, test_tflite_model: Path, backend: str
-    ) -> None:
-        """Test that inference should fail if system is not installed."""
-        backend_runner.is_system_installed.return_value = False
 
-        generic_runner = get_generic_runner(DeviceInfo("Ethos-U55", 256), backend)
-        with pytest.raises(
-            Exception,
-            match=r"System Corstone-3[01]0: Cortex-M[58]5\+Ethos-U55 is not installed",
-        ):
-            generic_runner.run(ModelInfo(test_tflite_model), [])
+    def command_output_mock(_command: Command) -> Generator[str, None, None]:
+        """Mock FVP output."""
+        yield from valid_fvp_output()
 
-    @staticmethod
-    @pytest.mark.parametrize("backend", ("Corstone-300", "Corstone-310"))
-    def test_inference_should_fail_is_apps_not_installed(
-        backend_runner: MagicMock, test_tflite_model: Path, backend: str
-    ) -> None:
-        """Test that inference should fail if apps are not installed."""
-        backend_runner.is_system_installed.return_value = True
-        backend_runner.is_application_installed.return_value = False
+    monkeypatch.setattr("mlia.utils.proc.command_output", command_output_mock)
 
-        generic_runner = get_generic_runner(DeviceInfo("Ethos-U55", 256), backend)
-        with pytest.raises(
-            Exception,
-            match="Application Generic Inference Runner: Ethos-U55"
-            r" for the system Corstone-3[01]0: Cortex-M[58]5\+Ethos-U55 is not "
-            r"installed",
-        ):
-            generic_runner.run(ModelInfo(test_tflite_model), [])
-
-
-@pytest.fixture(name="backend_runner")
-def fixture_backend_runner(monkeypatch: pytest.MonkeyPatch) -> MagicMock:
-    """Mock backend runner."""
-    backend_runner_mock = MagicMock(spec=BackendRunner)
-    monkeypatch.setattr(
-        "mlia.backend.corstone.performance.get_backend_runner",
-        MagicMock(return_value=backend_runner_mock),
+    result = estimate_performance(
+        "ethos-u55", 256, Path("model.tflite"), "Corstone-300"
     )
-    return backend_runner_mock
+    assert result == PerformanceMetrics(1, 2, 3, 4, 5, 6)
+
+    mock_repository.get_backend_settings.assert_called_once()
diff --git a/tests/test_backend_executor_application.py b/tests/test_backend_executor_application.py
deleted file mode 100644
index 8962a0a..0000000
--- a/tests/test_backend_executor_application.py
+++ /dev/null
@@ -1,422 +0,0 @@
-# SPDX-FileCopyrightText: Copyright 2022, Arm Limited and/or its affiliates.
-# SPDX-License-Identifier: Apache-2.0
-"""Tests for the application backend."""
-from __future__ import annotations
-
-from collections import Counter
-from contextlib import ExitStack as does_not_raise
-from pathlib import Path
-from typing import Any
-from unittest.mock import MagicMock
-
-import pytest
-
-from mlia.backend.executor.application import Application
-from mlia.backend.executor.application import get_application
-from mlia.backend.executor.application import (
-    get_available_application_directory_names,
-)
-from mlia.backend.executor.application import get_available_applications
-from mlia.backend.executor.application import get_unique_application_names
-from mlia.backend.executor.application import install_application
-from mlia.backend.executor.application import load_applications
-from mlia.backend.executor.application import remove_application
-from mlia.backend.executor.common import Command
-from mlia.backend.executor.common import Param
-from mlia.backend.executor.common import UserParamConfig
-from mlia.backend.executor.config import ApplicationConfig
-from mlia.backend.executor.config import ExtendedApplicationConfig
-from mlia.backend.executor.config import NamedExecutionConfig
-
-
-def test_get_available_application_directory_names() -> None:
-    """Test get_available_applicationss mocking get_resources."""
-    directory_names = get_available_application_directory_names()
-    assert Counter(directory_names) == Counter(
-        [
-            "application1",
-            "application2",
-            "application4",
-            "application5",
-            "application6",
-        ]
-    )
-
-
-def test_get_available_applications() -> None:
-    """Test get_available_applicationss mocking get_resources."""
-    available_applications = get_available_applications()
-
-    assert all(isinstance(s, Application) for s in available_applications)
-    assert all(s != 42 for s in available_applications)
-    assert len(available_applications) == 10
-    # application_5 has multiply items with multiply supported systems
-    assert [str(s) for s in available_applications] == [
-        "application_1",
-        "application_2",
-        "application_4",
-        "application_5",
-        "application_5",
-        "application_5A",
-        "application_5A",
-        "application_5B",
-        "application_5B",
-        "application_6",
-    ]
-
-
-def test_get_unique_application_names() -> None:
-    """Test get_unique_application_names."""
-    unique_names = get_unique_application_names()
-
-    assert all(isinstance(s, str) for s in unique_names)
-    assert all(s for s in unique_names)
-    assert sorted(unique_names) == [
-        "application_1",
-        "application_2",
-        "application_4",
-        "application_5",
-        "application_5A",
-        "application_5B",
-        "application_6",
-    ]
-
-
-def test_get_application() -> None:
-    """Test get_application mocking get_resoures."""
-    application = get_application("application_1")
-    if len(application) != 1:
-        pytest.fail("Unable to get application")
-    assert application[0].name == "application_1"
-
-    application = get_application("unknown application")
-    assert len(application) == 0
-
-
-@pytest.mark.parametrize(
-    "source, call_count, expected_exception",
-    (
-        (
-            "archives/applications/application1.tar.gz",
-            0,
-            pytest.raises(
-                Exception, match=r"Applications \[application_1\] are already installed"
-            ),
-        ),
-        (
-            "various/applications/application_with_empty_config",
-            0,
-            pytest.raises(Exception, match="No application definition found"),
-        ),
-        (
-            "various/applications/application_with_wrong_config1",
-            0,
-            pytest.raises(Exception, match="Unable to read application definition"),
-        ),
-        (
-            "various/applications/application_with_wrong_config2",
-            0,
-            pytest.raises(Exception, match="Unable to read application definition"),
-        ),
-        (
-            "various/applications/application_with_wrong_config3",
-            0,
-            pytest.raises(Exception, match="Unable to read application definition"),
-        ),
-        ("various/applications/application_with_valid_config", 1, does_not_raise()),
-        (
-            "archives/applications/application3.tar.gz",
-            0,
-            pytest.raises(Exception, match="Unable to read application definition"),
-        ),
-        (
-            "backends/applications/application1",
-            0,
-            pytest.raises(
-                Exception, match=r"Applications \[application_1\] are already installed"
-            ),
-        ),
-        (
-            "backends/applications/application3",
-            0,
-            pytest.raises(Exception, match="Unable to read application definition"),
-        ),
-    ),
-)
-def test_install_application(
-    monkeypatch: Any,
-    test_resources_path: Path,
-    source: str,
-    call_count: int,
-    expected_exception: Any,
-) -> None:
-    """Test application install from archive."""
-    mock_create_destination_and_install = MagicMock()
-    monkeypatch.setattr(
-        "mlia.backend.executor.application.create_destination_and_install",
-        mock_create_destination_and_install,
-    )
-
-    with expected_exception:
-        install_application(test_resources_path / source)
-    assert mock_create_destination_and_install.call_count == call_count
-
-
-def test_remove_application(monkeypatch: Any) -> None:
-    """Test application removal."""
-    mock_remove_backend = MagicMock()
-    monkeypatch.setattr(
-        "mlia.backend.executor.application.remove_backend", mock_remove_backend
-    )
-
-    remove_application("some_application_directory")
-    mock_remove_backend.assert_called_once()
-
-
-def test_application_config_without_commands() -> None:
-    """Test application config without commands."""
-    config = ApplicationConfig(name="application")
-    application = Application(config)
-    # pylint: disable=use-implicit-booleaness-not-comparison
-    assert application.commands == {}
-
-
-class TestApplication:
-    """Test for application class methods."""
-
-    def test___eq__(self) -> None:
-        """Test overloaded __eq__ method."""
-        config = ApplicationConfig(
-            # Application
-            supported_systems=["system1", "system2"],
-            # inherited from Backend
-            name="name",
-            description="description",
-            commands={},
-        )
-        application1 = Application(config)
-        application2 = Application(config)  # Identical
-        assert application1 == application2
-
-        application3 = Application(config)  # changed
-        # Change one single attribute so not equal, but same Type
-        setattr(application3, "supported_systems", ["somewhere/else"])
-        assert application1 != application3
-
-        # different Type
-        application4 = "Not the Application you are looking for"
-        assert application1 != application4
-
-        application5 = Application(config)
-        # supported systems could be in any order
-        setattr(application5, "supported_systems", ["system2", "system1"])
-        assert application1 == application5
-
-    def test_can_run_on(self) -> None:
-        """Test Application can run on."""
-        config = ApplicationConfig(name="application", supported_systems=["System-A"])
-
-        application = Application(config)
-        assert application.can_run_on("System-A")
-        assert not application.can_run_on("System-B")
-
-        applications = get_application("application_1", "System 1")
-        assert len(applications) == 1
-        assert applications[0].can_run_on("System 1")
-
-    def test_unable_to_create_application_without_name(self) -> None:
-        """Test that it is not possible to create application without name."""
-        with pytest.raises(Exception, match="Name is empty"):
-            Application(ApplicationConfig())
-
-    def test_application_config_without_commands(self) -> None:
-        """Test application config without commands."""
-        config = ApplicationConfig(name="application")
-        application = Application(config)
-        # pylint: disable=use-implicit-booleaness-not-comparison
-        assert application.commands == {}
-
-    @pytest.mark.parametrize(
-        "config, expected_params",
-        (
-            (
-                ApplicationConfig(
-                    name="application",
-                    commands={"command": ["cmd {user_params:0} {user_params:1}"]},
-                    user_params={
-                        "command": [
-                            UserParamConfig(
-                                name="--param1", description="param1", alias="param1"
-                            ),
-                            UserParamConfig(
-                                name="--param2", description="param2", alias="param2"
-                            ),
-                        ]
-                    },
-                ),
-                [Param("--param1", "param1"), Param("--param2", "param2")],
-            ),
-            (
-                ApplicationConfig(
-                    name="application",
-                    commands={"command": ["cmd {user_params:param1} {user_params:1}"]},
-                    user_params={
-                        "command": [
-                            UserParamConfig(
-                                name="--param1", description="param1", alias="param1"
-                            ),
-                            UserParamConfig(
-                                name="--param2", description="param2", alias="param2"
-                            ),
-                        ]
-                    },
-                ),
-                [Param("--param1", "param1"), Param("--param2", "param2")],
-            ),
-            (
-                ApplicationConfig(
-                    name="application",
-                    commands={"command": ["cmd {user_params:param1}"]},
-                    user_params={
-                        "command": [
-                            UserParamConfig(
-                                name="--param1", description="param1", alias="param1"
-                            ),
-                            UserParamConfig(
-                                name="--param2", description="param2", alias="param2"
-                            ),
-                        ]
-                    },
-                ),
-                [Param("--param1", "param1")],
-            ),
-        ),
-    )
-    def test_remove_unused_params(
-        self, config: ApplicationConfig, expected_params: list[Param]
-    ) -> None:
-        """Test mod remove_unused_parameter."""
-        application = Application(config)
-        application.remove_unused_params()
-        assert application.commands["command"].params == expected_params
-
-
-@pytest.mark.parametrize(
-    "config, expected_error",
-    (
-        (
-            ExtendedApplicationConfig(name="application"),
-            pytest.raises(Exception, match="No supported systems definition provided"),
-        ),
-        (
-            ExtendedApplicationConfig(
-                name="application", supported_systems=[NamedExecutionConfig(name="")]
-            ),
-            pytest.raises(
-                Exception,
-                match="Unable to read supported system definition, name is missed",
-            ),
-        ),
-        (
-            ExtendedApplicationConfig(
-                name="application",
-                supported_systems=[
-                    NamedExecutionConfig(
-                        name="system",
-                        commands={"command": ["cmd"]},
-                        user_params={"command": [UserParamConfig(name="param")]},
-                    )
-                ],
-                commands={"command": ["cmd {user_params:0}"]},
-                user_params={"command": [UserParamConfig(name="param")]},
-            ),
-            pytest.raises(
-                Exception, match="Default parameters for command .* should have aliases"
-            ),
-        ),
-        (
-            ExtendedApplicationConfig(
-                name="application",
-                supported_systems=[
-                    NamedExecutionConfig(
-                        name="system",
-                        commands={"command": ["cmd"]},
-                        user_params={"command": [UserParamConfig(name="param")]},
-                    )
-                ],
-                commands={"command": ["cmd {user_params:0}"]},
-                user_params={"command": [UserParamConfig(name="param", alias="param")]},
-            ),
-            pytest.raises(
-                Exception, match="system parameters for command .* should have aliases"
-            ),
-        ),
-    ),
-)
-def test_load_application_exceptional_cases(
-    config: ExtendedApplicationConfig, expected_error: Any
-) -> None:
-    """Test exceptional cases for application load function."""
-    with expected_error:
-        load_applications(config)
-
-
-def test_load_application() -> None:
-    """Test application load function.
-
-    The main purpose of this test is to test configuration for application
-    for different systems. All configuration should be correctly
-    overridden if needed.
-    """
-    application_5 = get_application("application_5")
-    assert len(application_5) == 2
-
-    default_commands = {
-        "build": Command(["default build command"]),
-        "run": Command(["default run command"]),
-    }
-    default_variables = {"var1": "value1", "var2": "value2"}
-
-    application_5_0 = application_5[0]
-    assert application_5_0.supported_systems == ["System 1"]
-    assert application_5_0.commands == default_commands
-    assert application_5_0.variables == default_variables
-
-    application_5_1 = application_5[1]
-    assert application_5_1.supported_systems == ["System 2"]
-    assert application_5_1.commands == application_5_1.commands
-    assert application_5_1.variables == default_variables
-
-    application_5a = get_application("application_5A")
-    assert len(application_5a) == 2
-
-    application_5a_0 = application_5a[0]
-    assert application_5a_0.supported_systems == ["System 1"]
-    assert application_5a_0.commands == default_commands
-    assert application_5a_0.variables == {"var1": "new value1", "var2": "value2"}
-
-    application_5a_1 = application_5a[1]
-    assert application_5a_1.supported_systems == ["System 2"]
-    assert application_5a_1.commands == {
-        "build": default_commands["build"],
-        "run": Command(["run command on system 2"]),
-    }
-    assert application_5a_1.variables == {"var1": "value1", "var2": "new value2"}
-
-    application_5b = get_application("application_5B")
-    assert len(application_5b) == 2
-
-    application_5b_0 = application_5b[0]
-    assert application_5b_0.supported_systems == ["System 1"]
-    assert application_5b_0.commands == {
-        "build": Command(["default build command with value for var1 System1"]),
-        "run": Command(["default run command with value for var2 System1"]),
-    }
-    assert "non_used_command" not in application_5b_0.commands
-
-    application_5b_1 = application_5b[1]
-    assert application_5b_1.supported_systems == ["System 2"]
-    assert application_5b_1.commands == {
-        "build": Command(["default build command with value for var1 System2"]),
-        "run": Command(["run command on system 2"], []),
-    }
diff --git a/tests/test_backend_executor_common.py b/tests/test_backend_executor_common.py
deleted file mode 100644
index e881462..0000000
--- a/tests/test_backend_executor_common.py
+++ /dev/null
@@ -1,482 +0,0 @@
-# SPDX-FileCopyrightText: Copyright 2022, Arm Limited and/or its affiliates.
-# SPDX-License-Identifier: Apache-2.0
-# pylint: disable=protected-access
-"""Tests for the common backend module."""
-from __future__ import annotations
-
-from contextlib import ExitStack as does_not_raise
-from pathlib import Path
-from typing import Any
-from typing import cast
-from typing import IO
-from typing import List
-from unittest.mock import MagicMock
-
-import pytest
-
-from mlia.backend.executor.application import Application
-from mlia.backend.executor.common import Backend
-from mlia.backend.executor.common import BaseBackendConfig
-from mlia.backend.executor.common import Command
-from mlia.backend.executor.common import ConfigurationException
-from mlia.backend.executor.common import load_config
-from mlia.backend.executor.common import Param
-from mlia.backend.executor.common import parse_raw_parameter
-from mlia.backend.executor.common import remove_backend
-from mlia.backend.executor.config import ApplicationConfig
-from mlia.backend.executor.config import UserParamConfig
-from mlia.backend.executor.execution import ExecutionContext
-from mlia.backend.executor.execution import ParamResolver
-from mlia.backend.executor.system import System
-
-
-@pytest.mark.parametrize(
-    "directory_name, expected_exception",
-    (
-        ("some_dir", does_not_raise()),
-        (None, pytest.raises(Exception, match="No directory name provided")),
-    ),
-)
-def test_remove_backend(
-    monkeypatch: Any, directory_name: str, expected_exception: Any
-) -> None:
-    """Test remove_backend function."""
-    mock_remove_resource = MagicMock()
-    monkeypatch.setattr(
-        "mlia.backend.executor.common.remove_resource", mock_remove_resource
-    )
-
-    with expected_exception:
-        remove_backend(directory_name, "applications")
-
-
-@pytest.mark.parametrize(
-    "filename, expected_exception",
-    (
-        ("application_config.json", does_not_raise()),
-        (None, pytest.raises(Exception, match="Unable to read config")),
-    ),
-)
-def test_load_config(
-    filename: str, expected_exception: Any, test_resources_path: Path, monkeypatch: Any
-) -> None:
-    """Test load_config."""
-    with expected_exception:
-        configs: list[Path | IO[bytes] | None] = (
-            [None]
-            if not filename
-            else [
-                # Ignore pylint warning as 'with' can't be used inside of a
-                # generator expression.
-                # pylint: disable=consider-using-with
-                open(test_resources_path / filename, "rb"),
-                test_resources_path / filename,
-            ]
-        )
-        for config in configs:
-            json_mock = MagicMock()
-            monkeypatch.setattr("mlia.backend.executor.common.json.load", json_mock)
-            load_config(config)
-            json_mock.assert_called_once()
-
-
-class TestBackend:
-    """Test Backend class."""
-
-    def test___repr__(self) -> None:
-        """Test the representation of Backend instance."""
-        backend = Backend(
-            BaseBackendConfig(name="Testing name", description="Testing description")
-        )
-        assert str(backend) == "Testing name"
-
-    def test__eq__(self) -> None:
-        """Test equality method with different cases."""
-        backend1 = Backend(BaseBackendConfig(name="name", description="description"))
-        backend1.commands = {"command": Command(["command"])}
-
-        backend2 = Backend(BaseBackendConfig(name="name", description="description"))
-        backend2.commands = {"command": Command(["command"])}
-
-        backend3 = Backend(
-            BaseBackendConfig(
-                name="Ben", description="This is not the Backend you are looking for"
-            )
-        )
-        backend3.commands = {"wave": Command(["wave hand"])}
-
-        backend4 = "Foo"  # checking not isinstance(backend4, Backend)
-
-        assert backend1 == backend2
-        assert backend1 != backend3
-        assert backend1 != backend4
-
-    @pytest.mark.parametrize(
-        "parameter, valid",
-        [
-            ("--choice-param value_1", True),
-            ("--choice-param wrong_value", False),
-            ("--open-param something", True),
-            ("--wrong-param value", False),
-        ],
-    )
-    def test_validate_parameter(
-        self, parameter: str, valid: bool, test_resources_path: Path
-    ) -> None:
-        """Test validate_parameter."""
-        config = cast(
-            List[ApplicationConfig],
-            load_config(test_resources_path / "hello_world.json"),
-        )
-        # The application configuration is a list of configurations so we need
-        # only the first one
-        # Exercise the validate_parameter test using the Application classe which
-        # inherits from Backend.
-        application = Application(config[0])
-        assert application.validate_parameter("run", parameter) == valid
-
-    def test_validate_parameter_with_invalid_command(
-        self, test_resources_path: Path
-    ) -> None:
-        """Test validate_parameter with an invalid command_name."""
-        config = cast(
-            List[ApplicationConfig],
-            load_config(test_resources_path / "hello_world.json"),
-        )
-        application = Application(config[0])
-        with pytest.raises(AttributeError) as err:
-            # command foo does not exist, so raise an error
-            application.validate_parameter("foo", "bar")
-        assert "Unknown command: 'foo'" in str(err.value)
-
-    def test_build_command(self) -> None:
-        """Test command building."""
-        config = {
-            "name": "test",
-            "commands": {
-                "build": ["build {user_params:0} {user_params:1}"],
-                "run": ["run {user_params:0}"],
-                "post_run": ["post_run {application_params:0} on {system_params:0}"],
-                "some_command": ["Command with {variables:var_A}"],
-                "empty_command": [""],
-            },
-            "user_params": {
-                "build": [
-                    {
-                        "name": "choice_param_0=",
-                        "values": [1, 2, 3],
-                        "default_value": 1,
-                    },
-                    {"name": "choice_param_1", "values": [3, 4, 5], "default_value": 3},
-                    {"name": "choice_param_3", "values": [6, 7, 8]},
-                ],
-                "run": [{"name": "flag_param_0"}],
-            },
-            "variables": {"var_A": "value for variable A"},
-        }
-
-        application, system = Application(config), System(config)  # type: ignore
-        context = ExecutionContext(
-            app=application,
-            app_params=[],
-            system=system,
-            system_params=[],
-        )
-
-        param_resolver = ParamResolver(context)
-
-        cmd = application.build_command(
-            "build", ["choice_param_0=2", "choice_param_1=4"], param_resolver
-        )
-        assert cmd == ["build choice_param_0=2 choice_param_1 4"]
-
-        cmd = application.build_command("build", ["choice_param_0=2"], param_resolver)
-        assert cmd == ["build choice_param_0=2 choice_param_1 3"]
-
-        cmd = application.build_command(
-            "build", ["choice_param_0=2", "choice_param_3=7"], param_resolver
-        )
-        assert cmd == ["build choice_param_0=2 choice_param_1 3"]
-
-        with pytest.raises(
-            ConfigurationException, match="Command 'foo' could not be found."
-        ):
-            application.build_command("foo", [""], param_resolver)
-
-        cmd = application.build_command("some_command", [], param_resolver)
-        assert cmd == ["Command with value for variable A"]
-
-        cmd = application.build_command("empty_command", [], param_resolver)
-        assert cmd == [""]
-
-    @pytest.mark.parametrize("class_", [Application, System])
-    def test_build_command_unknown_variable(self, class_: type) -> None:
-        """Test that unable to construct backend with unknown variable."""
-        with pytest.raises(Exception, match="Unknown variable var1"):
-            config = {"name": "test", "commands": {"run": ["run {variables:var1}"]}}
-            class_(config)
-
-    @pytest.mark.parametrize(
-        "class_, config, expected_output",
-        [
-            (
-                Application,
-                {
-                    "name": "test",
-                    "commands": {
-                        "build": ["build {user_params:0} {user_params:1}"],
-                        "run": ["run {user_params:0}"],
-                    },
-                    "user_params": {
-                        "build": [
-                            {
-                                "name": "choice_param_0=",
-                                "values": ["a", "b", "c"],
-                                "default_value": "a",
-                                "alias": "param_1",
-                            },
-                            {
-                                "name": "choice_param_1",
-                                "values": ["a", "b", "c"],
-                                "default_value": "a",
-                                "alias": "param_2",
-                            },
-                            {"name": "choice_param_3", "values": ["a", "b", "c"]},
-                        ],
-                        "run": [{"name": "flag_param_0"}],
-                    },
-                },
-                [
-                    (
-                        "b",
-                        Param(
-                            name="choice_param_0=",
-                            description="",
-                            values=["a", "b", "c"],
-                            default_value="a",
-                            alias="param_1",
-                        ),
-                    ),
-                    (
-                        "a",
-                        Param(
-                            name="choice_param_1",
-                            description="",
-                            values=["a", "b", "c"],
-                            default_value="a",
-                            alias="param_2",
-                        ),
-                    ),
-                    (
-                        "c",
-                        Param(
-                            name="choice_param_3",
-                            description="",
-                            values=["a", "b", "c"],
-                        ),
-                    ),
-                ],
-            ),
-            (System, {"name": "test"}, []),
-        ],
-    )
-    def test_resolved_parameters(
-        self,
-        class_: type,
-        config: dict,
-        expected_output: list[tuple[str | None, Param]],
-    ) -> None:
-        """Test command building."""
-        backend = class_(config)
-
-        params = backend.resolved_parameters(
-            "build", ["choice_param_0=b", "choice_param_3=c"]
-        )
-        assert params == expected_output
-
-    @pytest.mark.parametrize(
-        ["param_name", "user_param", "expected_value"],
-        [
-            (
-                "test_name",
-                "test_name=1234",
-                "1234",
-            ),  # optional parameter using '='
-            (
-                "test_name",
-                "test_name 1234",
-                "1234",
-            ),  # optional parameter using ' '
-            ("test_name", "test_name", None),  # flag
-            (None, "test_name=1234", "1234"),  # positional parameter
-        ],
-    )
-    def test_resolved_user_parameters(
-        self, param_name: str, user_param: str, expected_value: str
-    ) -> None:
-        """Test different variants to provide user parameters."""
-        # A sample config providing one backend config
-        config = {
-            "name": "test_backend",
-            "commands": {
-                "test": ["user_param:test_param"],
-            },
-            "user_params": {
-                "test": [UserParamConfig(name=param_name, alias="test_name")],
-            },
-        }
-        backend = Backend(cast(BaseBackendConfig, config))
-        params = backend.resolved_parameters(
-            command_name="test", user_params=[user_param]
-        )
-        assert len(params) == 1
-        value, param = params[0]
-        assert param_name == param.name
-        assert expected_value == value
-
-    @pytest.mark.parametrize(
-        "input_param,expected",
-        [
-            ("--param=1", ("--param", "1")),
-            ("--param 1", ("--param", "1")),
-            ("--flag", ("--flag", None)),
-        ],
-    )
-    def test__parse_raw_parameter(
-        self, input_param: str, expected: tuple[str, str | None]
-    ) -> None:
-        """Test internal method of parsing a single raw parameter."""
-        assert parse_raw_parameter(input_param) == expected
-
-
-class TestParam:
-    """Test Param class."""
-
-    def test__eq__(self) -> None:
-        """Test equality method with different cases."""
-        param1 = Param(name="test", description="desc", values=["values"])
-        param2 = Param(name="test", description="desc", values=["values"])
-        param3 = Param(name="test1", description="desc", values=["values"])
-        param4 = object()
-
-        assert param1 == param2
-        assert param1 != param3
-        assert param1 != param4
-
-    def test_get_details(self) -> None:
-        """Test get_details() method."""
-        param1 = Param(name="test", description="desc", values=["values"])
-        assert param1.get_details() == {
-            "name": "test",
-            "values": ["values"],
-            "description": "desc",
-        }
-
-    def test_invalid(self) -> None:
-        """Test invalid use cases for the Param class."""
-        with pytest.raises(
-            ConfigurationException,
-            match="Either name, alias or both must be set to identify a parameter.",
-        ):
-            Param(name=None, description="desc", values=["values"])
-
-
-class TestCommand:
-    """Test Command class."""
-
-    def test_get_details(self) -> None:
-        """Test get_details() method."""
-        param1 = Param(name="test", description="desc", values=["values"])
-        command1 = Command(command_strings=["echo test"], params=[param1])
-        assert command1.get_details() == {
-            "command_strings": ["echo test"],
-            "user_params": [
-                {"name": "test", "values": ["values"], "description": "desc"}
-            ],
-        }
-
-    def test__eq__(self) -> None:
-        """Test equality method with different cases."""
-        param1 = Param("test", "desc", ["values"])
-        param2 = Param("test1", "desc1", ["values1"])
-        command1 = Command(command_strings=["echo test"], params=[param1])
-        command2 = Command(command_strings=["echo test"], params=[param1])
-        command3 = Command(command_strings=["echo test"])
-        command4 = Command(command_strings=["echo test"], params=[param2])
-        command5 = object()
-
-        assert command1 == command2
-        assert command1 != command3
-        assert command1 != command4
-        assert command1 != command5
-
-    @pytest.mark.parametrize(
-        "params, expected_error",
-        [
-            [[], does_not_raise()],
-            [[Param("param", "param description", [])], does_not_raise()],
-            [
-                [
-                    Param("param", "param description", [], None, "alias"),
-                    Param("param", "param description", [], None),
-                ],
-                does_not_raise(),
-            ],
-            [
-                [
-                    Param("param1", "param1 description", [], None, "alias1"),
-                    Param("param2", "param2 description", [], None, "alias2"),
-                ],
-                does_not_raise(),
-            ],
-            [
-                [
-                    Param("param", "param description", [], None, "alias"),
-                    Param("param", "param description", [], None, "alias"),
-                ],
-                pytest.raises(ConfigurationException, match="Non-unique aliases alias"),
-            ],
-            [
-                [
-                    Param("alias", "param description", [], None, "alias1"),
-                    Param("param", "param description", [], None, "alias"),
-                ],
-                pytest.raises(
-                    ConfigurationException,
-                    match="Aliases .* could not be used as parameter name",
-                ),
-            ],
-            [
-                [
-                    Param("alias", "param description", [], None, "alias"),
-                    Param("param1", "param1 description", [], None, "alias1"),
-                ],
-                does_not_raise(),
-            ],
-            [
-                [
-                    Param("alias", "param description", [], None, "alias"),
-                    Param("alias", "param1 description", [], None, "alias1"),
-                ],
-                pytest.raises(
-                    ConfigurationException,
-                    match="Aliases .* could not be used as parameter name",
-                ),
-            ],
-            [
-                [
-                    Param("param1", "param1 description", [], None, "alias1"),
-                    Param("param2", "param2 description", [], None, "alias1"),
-                    Param("param3", "param3 description", [], None, "alias2"),
-                    Param("param4", "param4 description", [], None, "alias2"),
-                ],
-                pytest.raises(
-                    ConfigurationException, match="Non-unique aliases alias1, alias2"
-                ),
-            ],
-        ],
-    )
-    def test_validate_params(self, params: list[Param], expected_error: Any) -> None:
-        """Test command validation function."""
-        with expected_error:
-            Command([], params)
diff --git a/tests/test_backend_executor_execution.py b/tests/test_backend_executor_execution.py
deleted file mode 100644
index 6a6ea08..0000000
--- a/tests/test_backend_executor_execution.py
+++ /dev/null
@@ -1,212 +0,0 @@
-# SPDX-FileCopyrightText: Copyright 2022, Arm Limited and/or its affiliates.
-# SPDX-License-Identifier: Apache-2.0
-"""Test backend execution module."""
-from pathlib import Path
-from typing import Any
-from unittest.mock import MagicMock
-
-import pytest
-
-from mlia.backend.executor.application import Application
-from mlia.backend.executor.common import UserParamConfig
-from mlia.backend.executor.config import ApplicationConfig
-from mlia.backend.executor.config import SystemConfig
-from mlia.backend.executor.execution import ExecutionContext
-from mlia.backend.executor.execution import get_application_and_system
-from mlia.backend.executor.execution import get_application_by_name_and_system
-from mlia.backend.executor.execution import ParamResolver
-from mlia.backend.executor.execution import run_application
-from mlia.backend.executor.system import load_system
-
-
-def test_context_param_resolver(tmpdir: Any) -> None:
-    """Test parameter resolving."""
-    system_config_location = Path(tmpdir) / "system"
-    system_config_location.mkdir()
-
-    application_config_location = Path(tmpdir) / "application"
-    application_config_location.mkdir()
-
-    ctx = ExecutionContext(
-        app=Application(
-            ApplicationConfig(
-                name="test_application",
-                description="Test application",
-                config_location=application_config_location,
-                commands={
-                    "run": [
-                        "run_command1 {user_params:0}",
-                        "run_command2 {user_params:1}",
-                    ]
-                },
-                variables={"var_1": "value for var_1"},
-                user_params={
-                    "run": [
-                        UserParamConfig(
-                            name="--param1",
-                            description="Param 1",
-                            default_value="123",
-                            alias="param_1",
-                        ),
-                        UserParamConfig(
-                            name="--param2", description="Param 2", default_value="456"
-                        ),
-                        UserParamConfig(
-                            name="--param3", description="Param 3", alias="param_3"
-                        ),
-                        UserParamConfig(
-                            name="--param4=",
-                            description="Param 4",
-                            default_value="456",
-                            alias="param_4",
-                        ),
-                        UserParamConfig(
-                            description="Param 5",
-                            default_value="789",
-                            alias="param_5",
-                        ),
-                    ]
-                },
-            )
-        ),
-        app_params=["--param2=789"],
-        system=load_system(
-            SystemConfig(
-                name="test_system",
-                description="Test system",
-                config_location=system_config_location,
-                commands={
-                    "build": ["build_command1 {user_params:0}"],
-                    "run": ["run_command {application.commands.run:1}"],
-                },
-                variables={"var_1": "value for var_1"},
-                user_params={
-                    "build": [
-                        UserParamConfig(
-                            name="--param1", description="Param 1", default_value="aaa"
-                        ),
-                        UserParamConfig(name="--param2", description="Param 2"),
-                    ]
-                },
-            )
-        ),
-        system_params=["--param1=bbb"],
-    )
-
-    param_resolver = ParamResolver(ctx)
-    expected_values = {
-        "application.name": "test_application",
-        "application.description": "Test application",
-        "application.config_dir": str(application_config_location),
-        "application.commands.run:0": "run_command1 --param1 123",
-        "application.commands.run.params:0": "123",
-        "application.commands.run.params:param_1": "123",
-        "application.commands.run:1": "run_command2 --param2 789",
-        "application.commands.run.params:1": "789",
-        "application.variables:var_1": "value for var_1",
-        "system.name": "test_system",
-        "system.description": "Test system",
-        "system.config_dir": str(system_config_location),
-        "system.commands.build:0": "build_command1 --param1 bbb",
-        "system.commands.run:0": "run_command run_command2 --param2 789",
-        "system.commands.build.params:0": "bbb",
-        "system.variables:var_1": "value for var_1",
-    }
-
-    for param, value in expected_values.items():
-        assert param_resolver(param) == value
-
-    expected_errors = {
-        "application.variables:var_2": pytest.raises(
-            Exception, match="Unknown variable var_2"
-        ),
-        "application.commands.clean:0": pytest.raises(
-            Exception, match="Command clean not found"
-        ),
-        "application.commands.run:2": pytest.raises(
-            Exception, match="Invalid index 2 for command run"
-        ),
-        "application.commands.run.params:5": pytest.raises(
-            Exception, match="Invalid parameter index 5 for command run"
-        ),
-        "application.commands.run.params:param_2": pytest.raises(
-            Exception,
-            match="No value for parameter with index or alias param_2 of command run",
-        ),
-        "UNKNOWN": pytest.raises(
-            Exception, match="Unable to resolve parameter UNKNOWN"
-        ),
-        "system.commands.build.params:1": pytest.raises(
-            Exception,
-            match="No value for parameter with index or alias 1 of command build",
-        ),
-        "system.commands.build:A": pytest.raises(
-            Exception, match="Bad command index A"
-        ),
-        "system.variables:var_2": pytest.raises(
-            Exception, match="Unknown variable var_2"
-        ),
-    }
-    for param, error in expected_errors.items():
-        with error:
-            param_resolver(param)
-
-    resolved_params = ctx.app.resolved_parameters("run", [])
-    expected_user_params = {
-        "user_params:0": "--param1 123",
-        "user_params:param_1": "--param1 123",
-        "user_params:2": "--param3",
-        "user_params:param_3": "--param3",
-        "user_params:3": "--param4=456",
-        "user_params:param_4": "--param4=456",
-        "user_params:param_5": "789",
-    }
-    for param, expected_value in expected_user_params.items():
-        assert param_resolver(param, "run", resolved_params) == expected_value
-
-    with pytest.raises(
-        Exception, match="Invalid index 5 for user params of command run"
-    ):
-        param_resolver("user_params:5", "run", resolved_params)
-
-    with pytest.raises(
-        Exception, match="No user parameter for command 'run' with alias 'param_2'."
-    ):
-        param_resolver("user_params:param_2", "run", resolved_params)
-
-    with pytest.raises(Exception, match="Unable to resolve user params"):
-        param_resolver("user_params:0", "", resolved_params)
-
-
-def test_get_application_by_name_and_system(monkeypatch: Any) -> None:
-    """Test exceptional case for get_application_by_name_and_system."""
-    monkeypatch.setattr(
-        "mlia.backend.executor.execution.get_application",
-        MagicMock(return_value=[MagicMock(), MagicMock()]),
-    )
-
-    with pytest.raises(
-        ValueError,
-        match="Error during getting application test_application for the "
-        "system test_system",
-    ):
-        get_application_by_name_and_system("test_application", "test_system")
-
-
-def test_get_application_and_system(monkeypatch: Any) -> None:
-    """Test exceptional case for get_application_and_system."""
-    monkeypatch.setattr(
-        "mlia.backend.executor.execution.get_system", MagicMock(return_value=None)
-    )
-
-    with pytest.raises(ValueError, match="System test_system is not found"):
-        get_application_and_system("test_application", "test_system")
-
-
-def test_run_application() -> None:
-    """Test function run_application."""
-    ctx = run_application("application_4", [], "System 4", [])
-
-    assert isinstance(ctx, ExecutionContext)
-    assert ctx.stderr is not None and not ctx.stderr.decode()
-    assert ctx.stdout is not None and ctx.stdout.decode().strip() == "application_4"
diff --git a/tests/test_backend_executor_fs.py b/tests/test_backend_executor_fs.py
deleted file mode 100644
index 298b8db..0000000
--- a/tests/test_backend_executor_fs.py
+++ /dev/null
@@ -1,138 +0,0 @@
-# SPDX-FileCopyrightText: Copyright 2022, Arm Limited and/or its affiliates.
-# SPDX-License-Identifier: Apache-2.0
-"""Module for testing fs.py."""
-from __future__ import annotations
-
-from contextlib import ExitStack as does_not_raise
-from pathlib import Path
-from typing import Any
-from unittest.mock import MagicMock
-
-import pytest
-
-from mlia.backend.executor.fs import get_backends_path
-from mlia.backend.executor.fs import recreate_directory
-from mlia.backend.executor.fs import remove_directory
-from mlia.backend.executor.fs import remove_resource
-from mlia.backend.executor.fs import ResourceType
-from mlia.backend.executor.fs import valid_for_filename
-
-
-@pytest.mark.parametrize(
-    "resource_name,expected_path",
-    [
-        ("systems", does_not_raise()),
-        ("applications", does_not_raise()),
-        ("whaaat", pytest.raises(ResourceWarning)),
-        (None, pytest.raises(ResourceWarning)),
-    ],
-)
-def test_get_backends_path(resource_name: ResourceType, expected_path: Any) -> None:
-    """Test get_resources() with multiple parameters."""
-    with expected_path:
-        resource_path = get_backends_path(resource_name)
-        assert resource_path.exists()
-
-
-def test_remove_resource_wrong_directory(
-    monkeypatch: Any, test_applications_path: Path
-) -> None:
-    """Test removing resource with wrong directory."""
-    mock_get_resources = MagicMock(return_value=test_applications_path)
-    monkeypatch.setattr(
-        "mlia.backend.executor.fs.get_backends_path", mock_get_resources
-    )
-
-    mock_shutil_rmtree = MagicMock()
-    monkeypatch.setattr("mlia.backend.executor.fs.shutil.rmtree", mock_shutil_rmtree)
-
-    with pytest.raises(Exception, match="Resource .* does not exist"):
-        remove_resource("unknown", "applications")
-    mock_shutil_rmtree.assert_not_called()
-
-    with pytest.raises(Exception, match="Wrong resource .*"):
-        remove_resource("readme.txt", "applications")
-    mock_shutil_rmtree.assert_not_called()
-
-
-def test_remove_resource(monkeypatch: Any, test_applications_path: Path) -> None:
-    """Test removing resource data."""
-    mock_get_resources = MagicMock(return_value=test_applications_path)
-    monkeypatch.setattr(
-        "mlia.backend.executor.fs.get_backends_path", mock_get_resources
-    )
-
-    mock_shutil_rmtree = MagicMock()
-    monkeypatch.setattr("mlia.backend.executor.fs.shutil.rmtree", mock_shutil_rmtree)
-
-    remove_resource("application1", "applications")
-    mock_shutil_rmtree.assert_called_once()
-
-
-def test_remove_directory(tmpdir: Any) -> None:
-    """Test directory removal."""
-    tmpdir_path = Path(tmpdir)
-    tmpfile = tmpdir_path / "temp.txt"
-
-    for item in [None, tmpfile]:
-        with pytest.raises(Exception, match="No directory path provided"):
-            remove_directory(item)
-
-    newdir = tmpdir_path / "newdir"
-    newdir.mkdir()
-
-    assert newdir.is_dir()
-    remove_directory(newdir)
-    assert not newdir.exists()
-
-
-def test_recreate_directory(tmpdir: Any) -> None:
-    """Test directory recreation."""
-    with pytest.raises(Exception, match="No directory path provided"):
-        recreate_directory(None)
-
-    tmpdir_path = Path(tmpdir)
-    tmpfile = tmpdir_path / "temp.txt"
-    tmpfile.touch()
-    with pytest.raises(Exception, match="Path .* does exist and it is not a directory"):
-        recreate_directory(tmpfile)
-
-    newdir = tmpdir_path / "newdir"
-    newdir.mkdir()
-    newfile = newdir / "newfile"
-    newfile.touch()
-    assert list(newdir.iterdir()) == [newfile]
-    recreate_directory(newdir)
-    assert not list(newdir.iterdir())
-
-    newdir2 = tmpdir_path / "newdir2"
-    assert not newdir2.exists()
-    recreate_directory(newdir2)
-    assert newdir2.is_dir()
-
-
-def write_to_file(
-    write_directory: Any, write_mode: str, write_text: str | bytes
-) -> Path:
-    """Write some text to a temporary test file."""
-    tmpdir_path = Path(write_directory)
-    tmpfile = tmpdir_path / "file_name.txt"
-    with open(tmpfile, write_mode) as file:  # pylint: disable=unspecified-encoding
-        file.write(write_text)
-    return tmpfile
-
-
-@pytest.mark.parametrize(
-    "value, replacement, expected_result",
-    [
-        ["", "", ""],
-        ["123", "", "123"],
-        ["123", "_", "123"],
-        ["/some_folder/some_script.sh", "", "some_foldersome_script.sh"],
-        ["/some_folder/some_script.sh", "_", "_some_folder_some_script.sh"],
-        ["!;'some_name$%^!", "_", "___some_name____"],
-    ],
-)
-def test_valid_for_filename(value: str, replacement: str, expected_result: str) -> None:
-    """Test function valid_for_filename."""
-    assert valid_for_filename(value, replacement) == expected_result
diff --git a/tests/test_backend_executor_output_consumer.py b/tests/test_backend_executor_output_consumer.py
deleted file mode 100644
index 537084f..0000000
--- a/tests/test_backend_executor_output_consumer.py
+++ /dev/null
@@ -1,100 +0,0 @@
-# SPDX-FileCopyrightText: Copyright 2022, Arm Limited and/or its affiliates.
-# SPDX-License-Identifier: Apache-2.0
-"""Tests for the output parsing."""
-from __future__ import annotations
-
-import base64
-import json
-from typing import Any
-
-import pytest
-
-from mlia.backend.executor.output_consumer import Base64OutputConsumer
-from mlia.backend.executor.output_consumer import OutputConsumer
-
-
-OUTPUT_MATCH_ALL = bytearray(
-    """
-String1: My awesome string!
-String2: STRINGS_ARE_GREAT!!!
-Int: 12
-Float: 3.14
-""",
-    encoding="utf-8",
-)
-
-OUTPUT_NO_MATCH = bytearray(
-    """
-This contains no matches...
-Test1234567890!"£$%^&*()_+@~{}[]/.,<>?|
-""",
-    encoding="utf-8",
-)
-
-OUTPUT_PARTIAL_MATCH = bytearray(
-    "String1: My awesome string!",
-    encoding="utf-8",
-)
-
-REGEX_CONFIG = {
-    "FirstString": {"pattern": r"String1.*: (.*)", "type": "str"},
-    "SecondString": {"pattern": r"String2.*: (.*)!!!", "type": "str"},
-    "IntegerValue": {"pattern": r"Int.*: (.*)", "type": "int"},
-    "FloatValue": {"pattern": r"Float.*: (.*)", "type": "float"},
-}
-
-EMPTY_REGEX_CONFIG: dict[str, dict[str, Any]] = {}
-
-EXPECTED_METRICS_ALL = {
-    "FirstString": "My awesome string!",
-    "SecondString": "STRINGS_ARE_GREAT",
-    "IntegerValue": 12,
-    "FloatValue": 3.14,
-}
-
-EXPECTED_METRICS_PARTIAL = {
-    "FirstString": "My awesome string!",
-}
-
-
-@pytest.mark.parametrize(
-    "expected_metrics",
-    [
-        EXPECTED_METRICS_ALL,
-        EXPECTED_METRICS_PARTIAL,
-    ],
-)
-def test_base64_output_consumer(expected_metrics: dict) -> None:
-    """
-    Make sure the Base64OutputConsumer yields valid results.
-
-    I.e. return an empty dict if either the input or the config is empty and
-    return the parsed metrics otherwise.
-    """
-    parser = Base64OutputConsumer()
-    assert isinstance(parser, OutputConsumer)
-
-    def create_base64_output(expected_metrics: dict) -> bytearray:
-        json_str = json.dumps(expected_metrics, indent=4)
-        json_b64 = base64.b64encode(json_str.encode("utf-8"))
-        return (
-            OUTPUT_MATCH_ALL  # Should not be matched by the Base64OutputConsumer
-            + f"<{Base64OutputConsumer.TAG_NAME}>".encode()
-            + bytearray(json_b64)
-            + f"</{Base64OutputConsumer.TAG_NAME}>".encode()
-            + OUTPUT_NO_MATCH  # Just to add some difficulty...
-        )
-
-    output = create_base64_output(expected_metrics)
-
-    consumed = False
-    for line in output.splitlines():
-        if parser.feed(line.decode("utf-8")):
-            consumed = True
-    assert consumed  # we should have consumed at least one line
-
-    res = parser.parsed_output
-    assert len(res) == 1
-    assert isinstance(res, list)
-    for val in res:
-        assert val == expected_metrics
diff --git a/tests/test_backend_executor_proc.py b/tests/test_backend_executor_proc.py
deleted file mode 100644
index e8caf8a..0000000
--- a/tests/test_backend_executor_proc.py
+++ /dev/null
@@ -1,190 +0,0 @@
-# SPDX-FileCopyrightText: Copyright 2022, Arm Limited and/or its affiliates.
-# SPDX-License-Identifier: Apache-2.0
-# pylint: disable=attribute-defined-outside-init,not-callable
-"""Pytests for testing mlia/backend/proc.py."""
-from pathlib import Path
-from typing import Any
-from unittest import mock
-
-import pytest
-from sh import ErrorReturnCode
-
-from mlia.backend.executor.proc import Command
-from mlia.backend.executor.proc import CommandFailedException
-from mlia.backend.executor.proc import CommandNotFound
-from mlia.backend.executor.proc import parse_command
-from mlia.backend.executor.proc import print_command_stdout
-from mlia.backend.executor.proc import run_and_wait
-from mlia.backend.executor.proc import ShellCommand
-from mlia.backend.executor.proc import terminate_command
-
-
-class TestShellCommand:
-    """Sample class for collecting tests."""
-
-    def test_run_ls(self, monkeypatch: Any) -> None:
-        """Test a simple ls command."""
-        mock_command = mock.MagicMock()
-        monkeypatch.setattr(Command, "bake", mock_command)
-
-        mock_get_stdout_stderr_paths = mock.MagicMock()
-        mock_get_stdout_stderr_paths.return_value = ("/path/std.out", "/path/std.err")
-        monkeypatch.setattr(
-            ShellCommand, "get_stdout_stderr_paths", mock_get_stdout_stderr_paths
-        )
-
-        shell_command = ShellCommand()
-        shell_command.run("ls", "-l")
-        assert mock_command.mock_calls[0] == mock.call(("-l",))
-        assert mock_command.mock_calls[1] == mock.call()(
-            _bg=True,
-            _err="/path/std.err",
-            _out="/path/std.out",
-            _tee=True,
-            _bg_exc=False,
-        )
-
-    def test_run_command_not_found(self) -> None:
-        """Test whe the command doesn't exist."""
-        shell_command = ShellCommand()
-        with pytest.raises(CommandNotFound):
-            shell_command.run("lsl", "-l")
-
-    def test_get_stdout_stderr_paths(self) -> None:
-        """Test the method to get files to store stdout and stderr."""
-        shell_command = ShellCommand()
-        out, err = shell_command.get_stdout_stderr_paths("cmd")
-        assert out.exists() and out.is_file()
-        assert err.exists() and err.is_file()
-        assert "cmd" in out.name
-        assert "cmd" in err.name
-
-
-@mock.patch("builtins.print")
-def test_print_command_stdout_alive(mock_print: Any) -> None:
-    """Test the print command stdout with an alive (running) process."""
-    mock_command = mock.MagicMock()
-    mock_command.is_alive.return_value = True
-    mock_command.next.side_effect = ["test1", "test2", StopIteration]
-
-    print_command_stdout(mock_command)
-
-    mock_command.assert_has_calls(
-        [mock.call.is_alive(), mock.call.next(), mock.call.next()]
-    )
-    mock_print.assert_has_calls(
-        [mock.call("test1", end=""), mock.call("test2", end="")]
-    )
-
-
-@mock.patch("builtins.print")
-def test_print_command_stdout_not_alive(mock_print: Any) -> None:
-    """Test the print command stdout with a not alive (exited) process."""
-    mock_command = mock.MagicMock()
-    mock_command.is_alive.return_value = False
-    mock_command.stdout = "test"
-
-    print_command_stdout(mock_command)
-    mock_command.assert_has_calls([mock.call.is_alive()])
-    mock_print.assert_called_once_with("test")
-
-
-def test_terminate_command_no_process() -> None:
-    """Test command termination when process does not exist."""
-    mock_command = mock.MagicMock()
-    mock_command.process.signal_group.side_effect = ProcessLookupError()
-
-    terminate_command(mock_command)
-    mock_command.process.signal_group.assert_called_once()
-    mock_command.is_alive.assert_not_called()
-
-
-def test_terminate_command() -> None:
-    """Test command termination."""
-    mock_command = mock.MagicMock()
-    mock_command.is_alive.return_value = False
-
-    terminate_command(mock_command)
-    mock_command.process.signal_group.assert_called_once()
-
-
-def test_terminate_command_case1() -> None:
-    """Test command termination when it takes time.."""
-    mock_command = mock.MagicMock()
-    mock_command.is_alive.side_effect = [True, True, False]
-
-    terminate_command(mock_command, wait_period=0.1)
-    mock_command.process.signal_group.assert_called_once()
-    assert mock_command.is_alive.call_count == 3
-
-
-def test_terminate_command_case2() -> None:
-    """Test command termination when it takes much time.."""
-    mock_command = mock.MagicMock()
-    mock_command.is_alive.side_effect = [True, True, True]
-
-    terminate_command(mock_command, number_of_attempts=3, wait_period=0.1)
-    assert mock_command.is_alive.call_count == 3
-    assert mock_command.process.signal_group.call_count == 2
-
-
-class TestRunAndWait:
-    """Test run_and_wait function."""
-
-    @pytest.fixture(autouse=True)
-    def setup_method(self, monkeypatch: Any) -> None:
-        """Init test method."""
-        self.execute_command_mock = mock.MagicMock()
-        monkeypatch.setattr(
-            "mlia.backend.executor.proc.execute_command", self.execute_command_mock
-        )
-
-        self.terminate_command_mock = mock.MagicMock()
-        monkeypatch.setattr(
-            "mlia.backend.executor.proc.terminate_command",
-            self.terminate_command_mock,
-        )
-
-    def test_if_execute_command_raises_exception(self) -> None:
-        """Test if execute_command fails."""
-        self.execute_command_mock.side_effect = Exception("Error!")
-        with pytest.raises(Exception, match="Error!"):
-            run_and_wait("command", Path.cwd())
-
-    def test_if_command_finishes_with_error(self) -> None:
-        """Test if command finishes with error."""
-        cmd_mock = mock.MagicMock()
-        self.execute_command_mock.return_value = cmd_mock
-        exit_code_mock = mock.PropertyMock(
-            side_effect=ErrorReturnCode("cmd", bytearray(), bytearray())
-        )
-        type(cmd_mock).exit_code = exit_code_mock
-
-        with pytest.raises(CommandFailedException):
-            run_and_wait("command", Path.cwd())
-
-    @pytest.mark.parametrize("terminate_on_error, call_count", ((False, 0), (True, 1)))
-    def test_if_command_finishes_with_exception(
-        self, terminate_on_error: bool, call_count: int
-    ) -> None:
-        """Test if command finishes with error."""
-        cmd_mock = mock.MagicMock()
-        self.execute_command_mock.return_value = cmd_mock
-        exit_code_mock = mock.PropertyMock(side_effect=Exception("Error!"))
-        type(cmd_mock).exit_code = exit_code_mock
-
-        with pytest.raises(Exception, match="Error!"):
-            run_and_wait("command", Path.cwd(), terminate_on_error=terminate_on_error)
-
-        assert self.terminate_command_mock.call_count == call_count
-
-
-def test_parse_command() -> None:
-    """Test parse_command function."""
-    assert parse_command("1.sh") == ["bash", "1.sh"]
-    # The following line raises a B604  bandit error. In our case we specify
-    # what shell to use instead of using the default one. It is a safe use
-    # we are ignoring this instance.
-    assert parse_command("1.sh", shell="sh") == ["sh", "1.sh"]  # nosec
-    assert parse_command("command") == ["command"]
-    assert parse_command("command 123 --param=1") == ["command", "123", "--param=1"]
diff --git a/tests/test_backend_executor_runner.py b/tests/test_backend_executor_runner.py
deleted file mode 100644
index 36c6e5e..0000000
--- a/tests/test_backend_executor_runner.py
+++ /dev/null
@@ -1,254 +0,0 @@
-# SPDX-FileCopyrightText: Copyright 2022, Arm Limited and/or its affiliates.
-# SPDX-License-Identifier: Apache-2.0
-"""Tests for module backend/manager."""
-from __future__ import annotations
-
-from pathlib import Path
-from unittest.mock import MagicMock
-from unittest.mock import PropertyMock
-
-import pytest
-
-from mlia.backend.corstone.performance import BackendRunner
-from mlia.backend.corstone.performance import ExecutionParams
-
-
-class TestBackendRunner:
-    """Tests for BackendRunner class."""
-
-    @staticmethod
-    def _setup_backends(
-        monkeypatch: pytest.MonkeyPatch,
-        available_systems: list[str] | None = None,
-        available_apps: list[str] | None = None,
-    ) -> None:
-        """Set up backend metadata."""
-
-        def mock_system(system: str) -> MagicMock:
-            """Mock the System instance."""
-            mock = MagicMock()
-            type(mock).name = PropertyMock(return_value=system)
-            return mock
-
-        def mock_app(app: str) -> MagicMock:
-            """Mock the Application instance."""
-            mock = MagicMock()
-            type(mock).name = PropertyMock(return_value=app)
-            mock.can_run_on.return_value = True
-            return mock
-
-        system_mocks = [mock_system(name) for name in (available_systems or [])]
-        monkeypatch.setattr(
-            "mlia.backend.executor.runner.get_available_systems",
-            MagicMock(return_value=system_mocks),
-        )
-
-        apps_mock = [mock_app(name) for name in (available_apps or [])]
-        monkeypatch.setattr(
-            "mlia.backend.executor.runner.get_available_applications",
-            MagicMock(return_value=apps_mock),
-        )
-
-    @pytest.mark.parametrize(
-        "available_systems, system, installed",
-        [
-            ([], "system1", False),
-            (["system1", "system2"], "system1", True),
-        ],
-    )
-    def test_is_system_installed(
-        self,
-        available_systems: list,
-        system: str,
-        installed: bool,
-        monkeypatch: pytest.MonkeyPatch,
-    ) -> None:
-        """Test method is_system_installed."""
-        backend_runner = BackendRunner()
-
-        self._setup_backends(monkeypatch, available_systems)
-
-        assert backend_runner.is_system_installed(system) == installed
-
-    @pytest.mark.parametrize(
-        "available_systems, systems",
-        [
-            ([], []),
-            (["system1"], ["system1"]),
-        ],
-    )
-    def test_installed_systems(
-        self,
-        available_systems: list[str],
-        systems: list[str],
-        monkeypatch: pytest.MonkeyPatch,
-    ) -> None:
-        """Test method installed_systems."""
-        backend_runner = BackendRunner()
-
-        self._setup_backends(monkeypatch, available_systems)
-        assert backend_runner.get_installed_systems() == systems
-
-    @staticmethod
-    def test_install_system(monkeypatch: pytest.MonkeyPatch) -> None:
-        """Test system installation."""
-        install_system_mock = MagicMock()
-        monkeypatch.setattr(
-            "mlia.backend.executor.runner.install_system", install_system_mock
-        )
-
-        backend_runner = BackendRunner()
-        backend_runner.install_system(Path("test_system_path"))
-
-        install_system_mock.assert_called_once_with(Path("test_system_path"))
-
-    @pytest.mark.parametrize(
-        "available_systems, systems, expected_result",
-        [
-            ([], [], False),
-            (["system1"], [], False),
-            (["system1"], ["system1"], True),
-            (["system1", "system2"], ["system1", "system3"], False),
-            (["system1", "system2"], ["system1", "system2"], True),
-        ],
-    )
-    def test_systems_installed(
-        self,
-        available_systems: list[str],
-        systems: list[str],
-        expected_result: bool,
-        monkeypatch: pytest.MonkeyPatch,
-    ) -> None:
-        """Test method systems_installed."""
-        self._setup_backends(monkeypatch, available_systems)
-
-        backend_runner = BackendRunner()
-
-        assert backend_runner.systems_installed(systems) is expected_result
-
-    @pytest.mark.parametrize(
-        "available_apps, applications, expected_result",
-        [
-            ([], [], False),
-            (["app1"], [], False),
-            (["app1"], ["app1"], True),
-            (["app1", "app2"], ["app1", "app3"], False),
-            (["app1", "app2"], ["app1", "app2"], True),
-        ],
-    )
-    def test_applications_installed(
-        self,
-        available_apps: list[str],
-        applications: list[str],
-        expected_result: bool,
-        monkeypatch: pytest.MonkeyPatch,
-    ) -> None:
-        """Test method applications_installed."""
-        self._setup_backends(monkeypatch, [], available_apps)
-        backend_runner = BackendRunner()
-
-        assert backend_runner.applications_installed(applications) is expected_result
-
-    @pytest.mark.parametrize(
-        "available_apps, applications",
-        [
-            ([], []),
-            (
-                ["application1", "application2"],
-                ["application1", "application2"],
-            ),
-        ],
-    )
-    def test_get_installed_applications(
-        self,
-        available_apps: list[str],
-        applications: list[str],
-        monkeypatch: pytest.MonkeyPatch,
-    ) -> None:
-        """Test method get_installed_applications."""
-        self._setup_backends(monkeypatch, [], available_apps)
-
-        backend_runner = BackendRunner()
-        assert applications == backend_runner.get_installed_applications()
-
-    @staticmethod
-    def test_install_application(monkeypatch: pytest.MonkeyPatch) -> None:
-        """Test application installation."""
-        mock_install_application = MagicMock()
-        monkeypatch.setattr(
-            "mlia.backend.executor.runner.install_application",
-            mock_install_application,
-        )
-
-        backend_runner = BackendRunner()
-        backend_runner.install_application(Path("test_application_path"))
-        mock_install_application.assert_called_once_with(Path("test_application_path"))
-
-    @pytest.mark.parametrize(
-        "available_apps, application, installed",
-        [
-            ([], "system1", False),
-            (
-                ["application1", "application2"],
-                "application1",
-                True,
-            ),
-            (
-                [],
-                "application1",
-                False,
-            ),
-        ],
-    )
-    def test_is_application_installed(
-        self,
-        available_apps: list[str],
-        application: str,
-        installed: bool,
-        monkeypatch: pytest.MonkeyPatch,
-    ) -> None:
-        """Test method is_application_installed."""
-        self._setup_backends(monkeypatch, [], available_apps)
-
-        backend_runner = BackendRunner()
-        assert installed == backend_runner.is_application_installed(
-            application, "system1"
-        )
-
-    @staticmethod
-    @pytest.mark.parametrize(
-        "execution_params, expected_command",
-        [
-            (
-                ExecutionParams("application_4", "System 4", [], []),
-                ["application_4", [], "System 4", []],
-            ),
-            (
-                ExecutionParams(
-                    "application_6",
-                    "System 6",
-                    ["param1=value2"],
-                    ["sys-param1=value2"],
-                ),
-                [
-                    "application_6",
-                    ["param1=value2"],
-                    "System 6",
-                    ["sys-param1=value2"],
-                ],
-            ),
-        ],
-    )
-    def test_run_application_local(
-        monkeypatch: pytest.MonkeyPatch,
-        execution_params: ExecutionParams,
-        expected_command: list[str],
-    ) -> None:
-        """Test method run_application with local systems."""
-        run_app = MagicMock()
-        monkeypatch.setattr("mlia.backend.executor.runner.run_application", run_app)
-
-        backend_runner = BackendRunner()
-        backend_runner.run_application(execution_params)
-
-        run_app.assert_called_once_with(*expected_command)
diff --git a/tests/test_backend_executor_source.py b/tests/test_backend_executor_source.py
deleted file mode 100644
index 3aa336e..0000000
--- a/tests/test_backend_executor_source.py
+++ /dev/null
@@ -1,205 +0,0 @@
-# SPDX-FileCopyrightText: Copyright 2022, Arm Limited and/or its affiliates.
-# SPDX-License-Identifier: Apache-2.0
-"""Tests for the source backend module."""
-from collections import Counter
-from contextlib import ExitStack as does_not_raise
-from pathlib import Path
-from typing import Any
-from unittest.mock import MagicMock
-from unittest.mock import patch
-
-import pytest
-
-from mlia.backend.executor.common import ConfigurationException
-from mlia.backend.executor.source import create_destination_and_install
-from mlia.backend.executor.source import DirectorySource
-from mlia.backend.executor.source import get_source
-from mlia.backend.executor.source import TarArchiveSource
-
-
-def test_create_destination_and_install(test_systems_path: Path, tmpdir: Any) -> None:
-    """Test create_destination_and_install function."""
-    system_directory = test_systems_path / "system1"
-
-    dir_source = DirectorySource(system_directory)
-    resources = Path(tmpdir)
-    create_destination_and_install(dir_source, resources)
-    assert (resources / "system1").is_dir()
-
-
-@patch(
-    "mlia.backend.executor.source.DirectorySource.create_destination",
-    return_value=False,
-)
-def test_create_destination_and_install_if_dest_creation_not_required(
-    mock_ds_create_destination: Any, tmpdir: Any
-) -> None:
-    """Test create_destination_and_install function."""
-    dir_source = DirectorySource(Path("unknown"))
-    resources = Path(tmpdir)
-    with pytest.raises(Exception):
-        create_destination_and_install(dir_source, resources)
-
-    mock_ds_create_destination.assert_called_once()
-
-
-def test_create_destination_and_install_if_installation_fails(tmpdir: Any) -> None:
-    """Test create_destination_and_install function if installation fails."""
-    dir_source = DirectorySource(Path("unknown"))
-    resources = Path(tmpdir)
-    with pytest.raises(Exception, match="Directory .* does not exist"):
-        create_destination_and_install(dir_source, resources)
-    assert not (resources / "unknown").exists()
-    assert resources.exists()
-
-
-def test_create_destination_and_install_if_name_is_empty() -> None:
-    """Test create_destination_and_install function fails if source name is empty."""
-    source = MagicMock()
-    source.create_destination.return_value = True
-    source.name.return_value = None
-
-    with pytest.raises(Exception, match="Unable to get source name"):
-        create_destination_and_install(source, Path("some_path"))
-
-    source.install_into.assert_not_called()
-
-
-@pytest.mark.parametrize(
-    "source_path, expected_class, expected_error",
-    [
-        (
-            Path("backends/applications/application1/"),
-            DirectorySource,
-            does_not_raise(),
-        ),
-        (
-            Path("archives/applications/application1.tar.gz"),
-            TarArchiveSource,
-            does_not_raise(),
-        ),
-        (
-            Path("doesnt/exist"),
-            None,
-            pytest.raises(
-                ConfigurationException, match="Unable to read .*doesnt/exist"
-            ),
-        ),
-    ],
-)
-def test_get_source(
-    source_path: Path,
-    expected_class: Any,
-    expected_error: Any,
-    test_resources_path: Path,
-) -> None:
-    """Test get_source function."""
-    with expected_error:
-        full_source_path = test_resources_path / source_path
-        source = get_source(full_source_path)
-        assert isinstance(source, expected_class)
-
-
-class TestDirectorySource:
-    """Test DirectorySource class."""
-
-    @pytest.mark.parametrize(
-        "directory, name",
-        [
-            (Path("/some/path/some_system"), "some_system"),
-            (Path("some_system"), "some_system"),
-        ],
-    )
-    def test_name(self, directory: Path, name: str) -> None:
-        """Test getting source name."""
-        assert DirectorySource(directory).name() == name
-
-    def test_install_into(self, test_systems_path: Path, tmpdir: Any) -> None:
-        """Test install directory into destination."""
-        system_directory = test_systems_path / "system1"
-
-        dir_source = DirectorySource(system_directory)
-        with pytest.raises(Exception, match="Wrong destination .*"):
-            dir_source.install_into(Path("unknown_destination"))
-
-        tmpdir_path = Path(tmpdir)
-        dir_source.install_into(tmpdir_path)
-        source_files = [f.name for f in system_directory.iterdir()]
-        dest_files = [f.name for f in tmpdir_path.iterdir()]
-        assert Counter(source_files) == Counter(dest_files)
-
-    def test_install_into_unknown_source_directory(self, tmpdir: Any) -> None:
-        """Test install system from unknown directory."""
-        with pytest.raises(Exception, match="Directory .* does not exist"):
-            DirectorySource(Path("unknown_directory")).install_into(Path(tmpdir))
-
-
-class TestTarArchiveSource:
-    """Test TarArchiveSource class."""
-
-    @pytest.mark.parametrize(
-        "archive, name",
-        [
-            (Path("some_archive.tgz"), "some_archive"),
-            (Path("some_archive.tar.gz"), "some_archive"),
-            (Path("some_archive"), "some_archive"),
-            ("archives/systems/system1.tar.gz", "system1"),
-            ("archives/systems/system1_dir.tar.gz", "system1"),
-        ],
-    )
-    def test_name(self, test_resources_path: Path, archive: Path, name: str) -> None:
-        """Test getting source name."""
-        assert TarArchiveSource(test_resources_path / archive).name() == name
-
-    def test_install_into(self, test_resources_path: Path, tmpdir: Any) -> None:
-        """Test install archive into destination."""
-        system_archive = test_resources_path / "archives/systems/system1.tar.gz"
-
-        tar_source = TarArchiveSource(system_archive)
-        with pytest.raises(Exception, match="Wrong destination .*"):
-            tar_source.install_into(Path("unknown_destination"))
-
-        tmpdir_path = Path(tmpdir)
-        tar_source.install_into(tmpdir_path)
-        source_files = [
-            "backend-config.json.license",
-            "backend-config.json",
-            "system_artifact",
-        ]
-        dest_files = [f.name for f in tmpdir_path.iterdir()]
-        assert Counter(source_files) == Counter(dest_files)
-
-    def test_install_into_unknown_source_archive(self, tmpdir: Any) -> None:
-        """Test install unknown source archive."""
-        with pytest.raises(Exception, match="File .* does not exist"):
-            TarArchiveSource(Path("unknown.tar.gz")).install_into(Path(tmpdir))
-
-    def test_install_into_unsupported_source_archive(self, tmpdir: Any) -> None:
-        """Test install unsupported file type."""
-        plain_text_file = Path(tmpdir) / "test_file"
-        plain_text_file.write_text("Not a system config")
-
-        with pytest.raises(Exception, match="Unsupported archive type .*"):
-            TarArchiveSource(plain_text_file).install_into(Path(tmpdir))
-
-    def test_lazy_property_init(self, test_resources_path: Path) -> None:
-        """Test that class properties initialized correctly."""
-        system_archive = test_resources_path / "archives/systems/system1.tar.gz"
-
-        tar_source = TarArchiveSource(system_archive)
-        assert tar_source.name() == "system1"
-        assert tar_source.config() is not None
-        assert tar_source.create_destination()
-
-        tar_source = TarArchiveSource(system_archive)
-        assert tar_source.config() is not None
-        assert tar_source.create_destination()
-        assert tar_source.name() == "system1"
-
-    def test_create_destination_property(self, test_resources_path: Path) -> None:
-        """Test create_destination property filled correctly for different archives."""
-        system_archive1 = test_resources_path / "archives/systems/system1.tar.gz"
-        system_archive2 = test_resources_path / "archives/systems/system1_dir.tar.gz"
-
-        assert TarArchiveSource(system_archive1).create_destination()
-        assert not TarArchiveSource(system_archive2).create_destination()
diff --git a/tests/test_backend_executor_system.py b/tests/test_backend_executor_system.py
deleted file mode 100644
index c94ef30..0000000
--- a/tests/test_backend_executor_system.py
+++ /dev/null
@@ -1,358 +0,0 @@
-# SPDX-FileCopyrightText: Copyright 2022, Arm Limited and/or its affiliates.
-# SPDX-License-Identifier: Apache-2.0
-"""Tests for system backend."""
-from __future__ import annotations
-
-from contextlib import ExitStack as does_not_raise
-from pathlib import Path
-from typing import Any
-from unittest.mock import MagicMock
-
-import pytest
-
-from mlia.backend.executor.common import Command
-from mlia.backend.executor.common import ConfigurationException
-from mlia.backend.executor.common import Param
-from mlia.backend.executor.common import UserParamConfig
-from mlia.backend.executor.config import SystemConfig
-from mlia.backend.executor.system import get_available_systems
-from mlia.backend.executor.system import get_system
-from mlia.backend.executor.system import install_system
-from mlia.backend.executor.system import load_system
-from mlia.backend.executor.system import remove_system
-from mlia.backend.executor.system import System
-
-
-def test_get_available_systems() -> None:
-    """Test get_available_systems mocking get_resources."""
-    available_systems = get_available_systems()
-    assert all(isinstance(s, System) for s in available_systems)
-    assert len(available_systems) == 4
-    assert [str(s) for s in available_systems] == [
-        "System 1",
-        "System 2",
-        "System 4",
-        "System 6",
-    ]
-
-
-def test_get_system() -> None:
-    """Test get_system."""
-    system1 = get_system("System 1")
-    assert isinstance(system1, System)
-    assert system1.name == "System 1"
-
-    system2 = get_system("System 2")
-    # check that comparison with object of another type returns false
-    assert system1 != 42
-    assert system1 != system2
-
-    with pytest.raises(
-        ConfigurationException, match="System 'Unknown system' not found."
-    ):
-        get_system("Unknown system")
-
-
-@pytest.mark.parametrize(
-    "source, call_count, exception_type",
-    (
-        (
-            "archives/systems/system1.tar.gz",
-            0,
-            pytest.raises(Exception, match="Systems .* are already installed"),
-        ),
-        (
-            "archives/systems/system3.tar.gz",
-            0,
-            pytest.raises(Exception, match="Unable to read system definition"),
-        ),
-        (
-            "backends/systems/system1",
-            0,
-            pytest.raises(Exception, match="Systems .* are already installed"),
-        ),
-        (
-            "backends/systems/system3",
-            0,
-            pytest.raises(Exception, match="Unable to read system definition"),
-        ),
-        ("unknown_path", 0, pytest.raises(Exception, match="Unable to read")),
-        (
-            "various/systems/system_with_empty_config",
-            0,
-            pytest.raises(Exception, match="No system definition found"),
-        ),
-        ("various/systems/system_with_valid_config", 1, does_not_raise()),
-    ),
-)
-def test_install_system(
-    monkeypatch: Any,
-    test_resources_path: Path,
-    source: str,
-    call_count: int,
-    exception_type: Any,
-) -> None:
-    """Test system installation from archive."""
-    mock_create_destination_and_install = MagicMock()
-    monkeypatch.setattr(
-        "mlia.backend.executor.system.create_destination_and_install",
-        mock_create_destination_and_install,
-    )
-
-    with exception_type:
-        install_system(test_resources_path / source)
-
-    assert mock_create_destination_and_install.call_count == call_count
-
-
-def test_remove_system(monkeypatch: Any) -> None:
-    """Test system removal."""
-    mock_remove_backend = MagicMock()
-    monkeypatch.setattr(
-        "mlia.backend.executor.system.remove_backend", mock_remove_backend
-    )
-    remove_system("some_system_dir")
-    mock_remove_backend.assert_called_once()
-
-
-def test_system() -> None:
-    """Test the System class."""
-    config = SystemConfig(name="System 1")
-    system = System(config)
-    assert str(system) == "System 1"
-    assert system.name == "System 1"
-
-
-def test_system_with_empty_parameter_name() -> None:
-    """Test that configuration fails if parameter name is empty."""
-    bad_config = SystemConfig(
-        name="System 1",
-        commands={"run": ["run"]},
-        user_params={"run": [{"name": "", "values": ["1", "2", "3"]}]},
-    )
-    with pytest.raises(Exception, match="Parameter has an empty 'name' attribute."):
-        System(bad_config)
-
-
-def test_system_run() -> None:
-    """Test run operation for system."""
-    system = get_system("System 4")
-    assert isinstance(system, System)
-
-    system.run("echo 'application run'")
-
-
-def test_system_start_no_config_location() -> None:
-    """Test that system without config location could not start."""
-    system = load_system(SystemConfig(name="test"))
-
-    assert isinstance(system, System)
-    with pytest.raises(
-        ConfigurationException, match="System has invalid config location: None"
-    ):
-        system.run("sleep 100")
-
-
-@pytest.mark.parametrize(
-    "config, expected_class, expected_error",
-    [
-        (
-            SystemConfig(name="test"),
-            System,
-            does_not_raise(),
-        ),
-        (SystemConfig(), None, pytest.raises(ConfigurationException)),
-    ],
-)
-def test_load_system(
-    config: SystemConfig, expected_class: type, expected_error: Any
-) -> None:
-    """Test load_system function."""
-    if not expected_class:
-        with expected_error:
-            load_system(config)
-    else:
-        system = load_system(config)
-        assert isinstance(system, expected_class)
-
-
-def test_load_system_populate_shared_params() -> None:
-    """Test shared parameters population."""
-    with pytest.raises(Exception, match="All shared parameters should have aliases"):
-        load_system(
-            SystemConfig(
-                name="test_system",
-                user_params={
-                    "shared": [
-                        UserParamConfig(
-                            name="--shared_param1",
-                            description="Shared parameter",
-                            values=["1", "2", "3"],
-                            default_value="1",
-                        )
-                    ]
-                },
-            )
-        )
-
-    with pytest.raises(
-        Exception, match="All parameters for command run should have aliases"
-    ):
-        load_system(
-            SystemConfig(
-                name="test_system",
-                user_params={
-                    "shared": [
-                        UserParamConfig(
-                            name="--shared_param1",
-                            description="Shared parameter",
-                            values=["1", "2", "3"],
-                            default_value="1",
-                            alias="shared_param1",
-                        )
-                    ],
-                    "run": [
-                        UserParamConfig(
-                            name="--run_param1",
-                            description="Run specific parameter",
-                            values=["1", "2", "3"],
-                            default_value="2",
-                        )
-                    ],
-                },
-            )
-        )
-    system0 = load_system(
-        SystemConfig(
-            name="test_system",
-            commands={"run": ["run_command"]},
-            user_params={
-                "shared": [],
-                "run": [
-                    UserParamConfig(
-                        name="--run_param1",
-                        description="Run specific parameter",
-                        values=["1", "2", "3"],
-                        default_value="2",
-                        alias="run_param1",
-                    )
-                ],
-            },
-        )
-    )
-    assert len(system0.commands) == 1
-    run_command1 = system0.commands["run"]
-    assert run_command1 == Command(
-        ["run_command"],
-        [
-            Param(
-                "--run_param1",
-                "Run specific parameter",
-                ["1", "2", "3"],
-                "2",
-                "run_param1",
-            )
-        ],
-    )
-
-    system1 = load_system(
-        SystemConfig(
-            name="test_system",
-            user_params={
-                "shared": [
-                    UserParamConfig(
-                        name="--shared_param1",
-                        description="Shared parameter",
-                        values=["1", "2", "3"],
-                        default_value="1",
-                        alias="shared_param1",
-                    )
-                ],
-                "run": [
-                    UserParamConfig(
-                        name="--run_param1",
-                        description="Run specific parameter",
-                        values=["1", "2", "3"],
-                        default_value="2",
-                        alias="run_param1",
-                    )
-                ],
-            },
-        )
-    )
-    assert len(system1.commands) == 1
-
-    run_command1 = system1.commands["run"]
-    assert run_command1 == Command(
-        [],
-        [
-            Param(
-                "--shared_param1",
-                "Shared parameter",
-                ["1", "2", "3"],
-                "1",
-                "shared_param1",
-            ),
-            Param(
-                "--run_param1",
-                "Run specific parameter",
-                ["1", "2", "3"],
-                "2",
-                "run_param1",
-            ),
-        ],
-    )
-
-    system2 = load_system(
-        SystemConfig(
-            name="test_system",
-            commands={"build": ["build_command"]},
-            user_params={
-                "shared": [
-                    UserParamConfig(
-                        name="--shared_param1",
-                        description="Shared parameter",
-                        values=["1", "2", "3"],
-                        default_value="1",
-                        alias="shared_param1",
-                    )
-                ],
-                "run": [
-                    UserParamConfig(
-                        name="--run_param1",
-                        description="Run specific parameter",
-                        values=["1", "2", "3"],
-                        default_value="2",
-                        alias="run_param1",
-                    )
-                ],
-            },
-        )
-    )
-    assert len(system2.commands) == 2
-    build_command2 = system2.commands["build"]
-    assert build_command2 == Command(
-        ["build_command"],
-        [],
-    )
-
-    run_command2 = system1.commands["run"]
-    assert run_command2 == Command(
-        [],
-        [
-            Param(
-                "--shared_param1",
-                "Shared parameter",
-                ["1", "2", "3"],
-                "1",
-                "shared_param1",
-            ),
-            Param(
-                "--run_param1",
-                "Run specific parameter",
-                ["1", "2", "3"],
-                "2",
-                "run_param1",
-            ),
-        ],
-    )
diff --git a/tests/test_backend_install.py b/tests/test_backend_install.py
index c3efe09..dacb1aa 100644
--- a/tests/test_backend_install.py
+++ b/tests/test_backend_install.py
@@ -3,91 +3,203 @@
 """Tests for common management functionality."""
 from __future__ import annotations
 
+import tarfile
 from pathlib import Path
+from unittest.mock import ANY
+from unittest.mock import MagicMock
 
 import pytest
 
 from mlia.backend.install import BackendInfo
-from mlia.backend.install import get_all_application_names
+from mlia.backend.install import BackendInstallation
+from mlia.backend.install import CompoundPathChecker
+from mlia.backend.install import DownloadAndInstall
+from mlia.backend.install import InstallFromPath
+from mlia.backend.install import PackagePathChecker
 from mlia.backend.install import StaticPathChecker
-from mlia.backend.registry import get_supported_backends
-from mlia.target.registry import is_supported
+from mlia.backend.repo import BackendRepository
+
+
+@pytest.fixture(name="backend_repo")
+def mock_backend_repo(monkeypatch: pytest.MonkeyPatch) -> MagicMock:
+    """Mock backend repository."""
+    mock = MagicMock(spec=BackendRepository)
+    monkeypatch.setattr("mlia.backend.install.get_backend_repository", lambda: mock)
+
+    return mock
+
+
+def test_wrong_install_type() -> None:
+    """Test that installation should fail for wrong install type."""
+    installation = BackendInstallation(
+        "sample_backend",
+        "Sample backend",
+        "sample_backend",
+        None,
+        None,
+        lambda path: None,
+        None,
+    )
+
+    assert not installation.supports("some_path")  # type: ignore
+
+    with pytest.raises(Exception):
+        installation.install("some_path")  # type: ignore
 
 
 @pytest.mark.parametrize(
-    "copy_source, system_config",
+    "supported_platforms, expected_result",
     [
-        (True, "system_config.json"),
-        (True, None),
-        (False, "system_config.json"),
-        (False, None),
+        [None, True],
+        [["UNKNOWN"], False],
     ],
 )
-def test_static_path_checker(
-    tmp_path: Path, copy_source: bool, system_config: str
+def test_backend_could_be_installed(
+    supported_platforms: list[str] | None, expected_result: bool
+) -> None:
+    """Test method could_be_installed."""
+    installation = BackendInstallation(
+        "sample_backend",
+        "Sample backend",
+        "sample_backend",
+        None,
+        supported_platforms,
+        lambda path: None,
+        None,
+    )
+
+    assert installation.could_be_installed == expected_result
+
+
+@pytest.mark.parametrize("copy_source", [True, False])
+def test_backend_installation_from_path(
+    tmp_path: Path, backend_repo: MagicMock, copy_source: bool
+) -> None:
+    """Test methods of backend installation."""
+    installation = BackendInstallation(
+        "sample_backend",
+        "Sample backend",
+        "sample_backend",
+        None,
+        None,
+        lambda path: BackendInfo(path, copy_source=copy_source),
+        None,
+    )
+
+    assert installation.supports(InstallFromPath(tmp_path))
+    assert not installation.supports(DownloadAndInstall())
+
+    installation.install(InstallFromPath(tmp_path))
+
+    if copy_source:
+        backend_repo.copy_backend.assert_called_with(
+            "sample_backend", tmp_path, "sample_backend", None
+        )
+        backend_repo.add_backend.assert_not_called()
+    else:
+        backend_repo.copy_backend.assert_not_called()
+        backend_repo.add_backend.assert_called_with("sample_backend", tmp_path, None)
+
+
+def test_backend_installation_download_and_install(
+    tmp_path: Path, backend_repo: MagicMock
 ) -> None:
-    """Test static path checker."""
-    checker = StaticPathChecker(tmp_path, ["file1.txt"], copy_source, system_config)
-    tmp_path.joinpath("file1.txt").touch()
+    """Test methods of backend installation."""
+    download_artifact_mock = MagicMock()
 
-    result = checker(tmp_path)
-    assert result == BackendInfo(tmp_path, copy_source, system_config)
+    tmp_archive = tmp_path.joinpath("sample.tgz")
+    sample_file = tmp_path.joinpath("sample.txt")
+    sample_file.touch()
 
+    with tarfile.open(tmp_archive, "w:gz") as archive:
+        archive.add(sample_file)
 
-def test_static_path_checker_invalid_path(tmp_path: Path) -> None:
-    """Test static path checker with invalid path."""
-    checker = StaticPathChecker(tmp_path, ["file1.txt"])
+    download_artifact_mock.download_to.return_value = tmp_archive
 
-    result = checker(tmp_path)
-    assert result is None
+    installation = BackendInstallation(
+        "sample_backend",
+        "Sample backend",
+        "sample_backend",
+        download_artifact_mock,
+        None,
+        lambda path: BackendInfo(path, copy_source=False),
+        lambda eula_agreement, path: path,
+    )
 
-    result = checker(tmp_path / "unknown_directory")
-    assert result is None
+    assert installation.supports(DownloadAndInstall())
+    installation.install(DownloadAndInstall())
 
+    backend_repo.add_backend.assert_called_with("sample_backend", ANY, None)
 
-def test_supported_backends() -> None:
-    """Test function supported backends."""
-    assert get_supported_backends() == [
-        "ArmNNTFLiteDelegate",
-        "Corstone-300",
-        "Corstone-310",
-        "TOSA-Checker",
-        "Vela",
-    ]
 
+def test_backend_installation_unable_to_download() -> None:
+    """Test that installation should fail when downloading fails."""
+    download_artifact_mock = MagicMock()
+    download_artifact_mock.download_to.side_effect = Exception("Download error")
 
-@pytest.mark.parametrize(
-    "backend, expected_result",
-    [
-        ["unknown_backend", False],
-        ["Corstone-300", True],
-        ["Corstone-310", True],
-    ],
-)
-def test_is_supported(backend: str, expected_result: bool) -> None:
-    """Test function is_supported."""
-    assert is_supported(backend) == expected_result
+    installation = BackendInstallation(
+        "sample_backend",
+        "Sample backend",
+        "sample_backend",
+        download_artifact_mock,
+        None,
+        lambda path: BackendInfo(path, copy_source=False),
+        lambda eula_agreement, path: path,
+    )
 
+    with pytest.raises(Exception, match="Unable to download backend artifact"):
+        installation.install(DownloadAndInstall())
 
-@pytest.mark.parametrize(
-    "backend, expected_result",
-    [
-        [
-            "Corstone-300",
-            [
-                "Generic Inference Runner: Ethos-U55",
-                "Generic Inference Runner: Ethos-U65",
-            ],
-        ],
-        [
-            "Corstone-310",
-            [
-                "Generic Inference Runner: Ethos-U55",
-                "Generic Inference Runner: Ethos-U65",
-            ],
-        ],
-    ],
-)
-def test_get_all_application_names(backend: str, expected_result: list[str]) -> None:
-    """Test function get_all_application_names."""
-    assert sorted(get_all_application_names(backend)) == expected_result
+
+def test_static_path_checker(tmp_path: Path) -> None:
+    """Test for StaticPathChecker."""
+    checker1 = StaticPathChecker(tmp_path, [])
+    assert checker1(tmp_path) == BackendInfo(tmp_path, copy_source=False)
+
+    checker2 = StaticPathChecker(tmp_path / "dist", [])
+    assert checker2(tmp_path) is None
+
+    checker3 = StaticPathChecker(tmp_path, ["sample.txt"])
+
+    assert checker3(tmp_path) is None
+
+    sample_file = tmp_path.joinpath("sample.txt")
+    sample_file.touch()
+
+    assert checker3(tmp_path) == BackendInfo(tmp_path, copy_source=False)
+
+
+def test_compound_path_checker(tmp_path: Path) -> None:
+    """Test for CompoundPathChecker."""
+    static_checker = StaticPathChecker(tmp_path, [])
+    compound_checker = CompoundPathChecker(static_checker)
+
+    assert compound_checker(tmp_path) == BackendInfo(tmp_path, copy_source=False)
+
+
+def test_package_path_checker(tmp_path: Path) -> None:
+    """Test PackagePathChecker."""
+    sample_dir = tmp_path.joinpath("sample")
+    sample_dir.mkdir()
+
+    checker1 = PackagePathChecker([], "sample")
+    assert checker1(tmp_path) == BackendInfo(tmp_path / "sample")
+
+    checker2 = PackagePathChecker(["sample.txt"], "sample")
+    assert checker2(tmp_path) is None
+
+
+def test_backend_installation_uninstall(backend_repo: MagicMock) -> None:
+    """Test backend removing process."""
+    installation = BackendInstallation(
+        "sample_backend",
+        "Sample backend",
+        "sample_backend",
+        None,
+        None,
+        lambda path: None,
+        None,
+    )
+
+    installation.uninstall()
+    backend_repo.remove_backend.assert_called_with("sample_backend")
diff --git a/tests/test_backend_manager.py b/tests/test_backend_manager.py
index 19cb357..879353e 100644
--- a/tests/test_backend_manager.py
+++ b/tests/test_backend_manager.py
@@ -1,4 +1,4 @@
-# SPDX-FileCopyrightText: Copyright 2022, Arm Limited and/or its affiliates.
+# SPDX-FileCopyrightText: Copyright 2022-2023, Arm Limited and/or its affiliates.
 # SPDX-License-Identifier: Apache-2.0
 """Tests for installation manager."""
 from __future__ import annotations
@@ -16,6 +16,8 @@ from mlia.backend.install import Installation
 from mlia.backend.install import InstallationType
 from mlia.backend.install import InstallFromPath
 from mlia.backend.manager import DefaultInstallationManager
+from mlia.core.errors import ConfigurationError
+from mlia.core.errors import InternalError
 
 
 def get_default_installation_manager_mock(
@@ -255,6 +257,25 @@ def test_installation_manager_install_from(
         install_mock.uninstall.assert_not_called()
 
 
+def test_installation_manager_unsupported_install_type(
+    monkeypatch: pytest.MonkeyPatch,
+    tmp_path: Path,
+) -> None:
+    """Test that installation could not be installed via unsupported type."""
+    download_install_mock = _could_be_downloaded_and_installed_mock()
+    install_from_mock = _could_be_installed_from_mock()
+    install_mocks = [download_install_mock, install_from_mock]
+
+    manager = get_installation_manager(False, install_mocks, monkeypatch)
+    manager.install_from(tmp_path, "could_be_downloaded_and_installed")
+
+    manager.download_and_install("could_be_installed_from")
+
+    for mock in install_mocks:
+        mock.install.assert_not_called()
+        mock.uninstall.assert_not_called()
+
+
 @pytest.mark.parametrize("noninteractive", [True, False])
 @pytest.mark.parametrize(
     "install_mock, backend_name, expected_call",
@@ -280,3 +301,39 @@ def test_installation_manager_uninstall(
     manager.uninstall(backend_name)
 
     assert install_mock.uninstall.mock_calls == expected_call
+
+
+def test_installation_internal_error(monkeypatch: pytest.MonkeyPatch) -> None:
+    """Test that manager should be able to detect wrong state."""
+    install_mock = _ready_for_uninstall_mock()
+    manager = get_installation_manager(False, [install_mock, install_mock], monkeypatch)
+
+    with pytest.raises(
+        InternalError,
+        match="More than one installed backend with name already_installed found",
+    ):
+        manager.uninstall("already_installed")
+
+
+def test_uninstall_unknown_backend(monkeypatch: pytest.MonkeyPatch) -> None:
+    """Test that uninstall should fail for uknown backend."""
+    install_mock = _ready_for_uninstall_mock()
+    manager = get_installation_manager(False, [install_mock, install_mock], monkeypatch)
+
+    with pytest.raises(
+        ConfigurationError, match="Backend 'some_backend' is not installed"
+    ):
+        manager.uninstall("some_backend")
+
+
+def test_show_env_details(monkeypatch: pytest.MonkeyPatch) -> None:
+    """Test method show_env_details."""
+    ready_to_install_mock = _ready_for_installation_mock()
+    could_be_installed_mock = _could_be_installed_from_mock()
+
+    manager = get_installation_manager(
+        False,
+        [ready_to_install_mock, could_be_installed_mock],
+        monkeypatch,
+    )
+    manager.show_env_details()
diff --git a/tests/test_backend_registry.py b/tests/test_backend_registry.py
index 703e699..e3e2da2 100644
--- a/tests/test_backend_registry.py
+++ b/tests/test_backend_registry.py
@@ -9,6 +9,8 @@ import pytest
 
 from mlia.backend.config import BackendType
 from mlia.backend.config import System
+from mlia.backend.registry import get_supported_backends
+from mlia.backend.registry import get_supported_systems
 from mlia.backend.registry import registry
 from mlia.core.common import AdviceCategory
 
@@ -35,7 +37,7 @@ from mlia.core.common import AdviceCategory
             BackendType.CUSTOM,
         ),
         (
-            "TOSA-Checker",
+            "tosa-checker",
             [AdviceCategory.COMPATIBILITY],
             [System.LINUX_AMD64],
             BackendType.WHEEL,
@@ -79,3 +81,19 @@ def test_backend_registry(
             cfg.supported_systems
         ), f"Supported systems differs: {advices} != {cfg.supported_advice}"
     assert cfg.type == type_
+
+
+def test_get_supported_backends() -> None:
+    """Test function get_supported_backends."""
+    assert get_supported_backends() == [
+        "ArmNNTFLiteDelegate",
+        "Corstone-300",
+        "Corstone-310",
+        "Vela",
+        "tosa-checker",
+    ]
+
+
+def test_get_supported_systems() -> None:
+    """Test function get_supported_systems."""
+    assert get_supported_systems()
diff --git a/tests/test_backend_repo.py b/tests/test_backend_repo.py
new file mode 100644
index 0000000..5071989
--- /dev/null
+++ b/tests/test_backend_repo.py
@@ -0,0 +1,140 @@
+# SPDX-FileCopyrightText: Copyright 2023, Arm Limited and/or its affiliates.
+# SPDX-License-Identifier: Apache-2.0
+"""Tests for backend repository."""
+from __future__ import annotations
+
+import json
+from pathlib import Path
+
+import pytest
+
+from mlia.backend.repo import BackendRepository
+from mlia.backend.repo import get_backend_repository
+
+
+def test_get_backend_repository(tmp_path: Path) -> None:
+    """Test function get_backend_repository."""
+    repo_path = tmp_path / "repo"
+    repo = get_backend_repository(repo_path)
+
+    assert isinstance(repo, BackendRepository)
+
+    backends_dir = repo_path / "backends"
+    assert backends_dir.is_dir()
+    assert not list(backends_dir.iterdir())
+
+    config_file = repo_path / "mlia_config.json"
+    assert config_file.is_file()
+    assert json.loads(config_file.read_text()) == {"backends": []}
+
+
+def test_backend_repository_wrong_directory(tmp_path: Path) -> None:
+    """Test that repository instance should throw error for the wrong directory."""
+    with pytest.raises(
+        Exception, match=f"Directory {tmp_path} could not be used as MLIA repository."
+    ):
+        BackendRepository(tmp_path)
+
+
+def test_empty_backend_repository(tmp_path: Path) -> None:
+    """Test empty backend repository."""
+    repo_path = tmp_path / "repo"
+    repo = get_backend_repository(repo_path)
+
+    assert not repo.is_backend_installed("sample_backend")
+
+    with pytest.raises(Exception, match="Backend sample_backend is not installed."):
+        repo.remove_backend("sample_backend")
+
+    with pytest.raises(Exception, match="Backend sample_backend is not installed."):
+        repo.get_backend_settings("sample_backend")
+
+
+def test_adding_backend(tmp_path: Path) -> None:
+    """Test adding backend to the repository."""
+    repo_path = tmp_path / "repo"
+    repo = get_backend_repository(repo_path)
+
+    backend_path = tmp_path.joinpath("backend")
+    backend_path.mkdir()
+
+    settings = {"param": "value"}
+    repo.add_backend("sample_backend", backend_path, settings)
+
+    backends_dir = repo_path / "backends"
+    assert backends_dir.is_dir()
+    assert not list(backends_dir.iterdir())
+
+    assert repo.is_backend_installed("sample_backend")
+    expected_settings = {
+        "param": "value",
+        "backend_path": backend_path.as_posix(),
+    }
+    assert repo.get_backend_settings("sample_backend") == (
+        backend_path,
+        expected_settings,
+    )
+
+    config_file = repo_path / "mlia_config.json"
+    expected_content = {
+        "backends": [
+            {
+                "name": "sample_backend",
+                "settings": {
+                    "backend_path": backend_path.as_posix(),
+                    "param": "value",
+                },
+            }
+        ]
+    }
+    assert json.loads(config_file.read_text()) == expected_content
+
+    with pytest.raises(Exception, match="Backend sample_backend already installed"):
+        repo.add_backend("sample_backend", backend_path, settings)
+
+    repo.remove_backend("sample_backend")
+    assert not repo.is_backend_installed("sample_backend")
+
+
+def test_copy_backend(tmp_path: Path) -> None:
+    """Test copying backend to the repository."""
+    repo_path = tmp_path / "repo"
+    repo = get_backend_repository(repo_path)
+
+    backend_path = tmp_path.joinpath("backend")
+    backend_path.mkdir()
+
+    backend_path.joinpath("sample.txt").touch()
+
+    settings = {"param": "value"}
+    repo.copy_backend("sample_backend", backend_path, "sample_backend_dir", settings)
+
+    repo_backend_path = repo_path.joinpath("backends", "sample_backend_dir")
+    assert repo_backend_path.is_dir()
+    assert repo_backend_path.joinpath("sample.txt").is_file()
+
+    config_file = repo_path / "mlia_config.json"
+    expected_content = {
+        "backends": [
+            {
+                "name": "sample_backend",
+                "settings": {
+                    "backend_dir": "sample_backend_dir",
+                    "param": "value",
+                },
+            }
+        ]
+    }
+    assert json.loads(config_file.read_text()) == expected_content
+
+    expected_settings = {
+        "param": "value",
+        "backend_dir": "sample_backend_dir",
+    }
+    assert repo.get_backend_settings("sample_backend") == (
+        repo_backend_path,
+        expected_settings,
+    )
+
+    repo.remove_backend("sample_backend")
+    assert not repo_backend_path.exists()
diff --git a/tests/test_cli_command_validators.py b/tests/test_cli_command_validators.py
index 13514a5..cd048ee 100644
--- a/tests/test_cli_command_validators.py
+++ b/tests/test_cli_command_validators.py
@@ -4,6 +4,7 @@
 from __future__ import annotations
 
 import argparse
+from contextlib import ExitStack
 from unittest.mock import MagicMock
 
 import pytest
@@ -125,9 +126,9 @@ def test_validate_check_target_profile(
             None,
         ],
         ["tosa", None, False, None, ["tosa-checker"]],
-        ["cortex-a", None, False, None, ["armnn-tflitedelegate"]],
+        ["cortex-a", None, False, None, ["ArmNNTFLiteDelegate"]],
         ["tosa", ["tosa-checker"], False, None, ["tosa-checker"]],
-        ["cortex-a", ["armnn-tflitedelegate"], False, None, ["armnn-tflitedelegate"]],
+        ["cortex-a", ["ArmNNTFLiteDelegate"], False, None, ["ArmNNTFLiteDelegate"]],
         [
             "ethos-u55-256",
             ["Vela", "Corstone-300"],
@@ -158,10 +159,11 @@ def test_validate_backend(
         MagicMock(return_value=["Vela", "Corstone-300"]),
     )
 
+    exit_stack = ExitStack()
     if throws_exception:
-        with pytest.raises(argparse.ArgumentError) as err:
-            validate_backend(input_target_profile, input_backends)
-        assert str(err.value.message) == exception_message
-        return
+        exit_stack.enter_context(
+            pytest.raises(argparse.ArgumentError, match=exception_message)
+        )
 
-    assert validate_backend(input_target_profile, input_backends) == output_backends
+    with exit_stack:
+        assert validate_backend(input_target_profile, input_backends) == output_backends
diff --git a/tests/test_cli_config.py b/tests/test_cli_config.py
index 1487f11..8494d73 100644
--- a/tests/test_cli_config.py
+++ b/tests/test_cli_config.py
@@ -8,7 +8,6 @@ from unittest.mock import MagicMock
 import pytest
 
 from mlia.cli.config import get_default_backends
-from mlia.cli.config import is_corstone_backend
 
 
 @pytest.mark.parametrize(
@@ -28,7 +27,7 @@ from mlia.cli.config import is_corstone_backend
             ["Vela", "Corstone-300", "New backend"],
         ],
         [["ArmNNTFLiteDelegate"], ["ArmNNTFLiteDelegate"]],
-        [["TOSA-Checker"], ["TOSA-Checker"]],
+        [["tosa-checker"], ["tosa-checker"]],
         [
             ["ArmNNTFLiteDelegate", "Corstone-300"],
             ["ArmNNTFLiteDelegate", "Corstone-300"],
@@ -47,10 +46,3 @@ def test_get_default_backends(
     )
 
     assert get_default_backends() == expected_default_backends
-
-
-def test_is_corstone_backend() -> None:
-    """Test function is_corstone_backend."""
-    assert is_corstone_backend("Corstone-300") is True
-    assert is_corstone_backend("Corstone-310") is True
-    assert is_corstone_backend("New backend") is False
diff --git a/tests/test_resources/application_config.json b/tests/test_resources/application_config.json
deleted file mode 100644
index 8c5d2b5..0000000
--- a/tests/test_resources/application_config.json
+++ /dev/null
@@ -1,94 +0,0 @@
-[
-  {
-    "name": "application_1",
-    "description": "application number one",
-    "supported_systems": [
-      "system_1",
-      "system_2"
-    ],
-    "commands": {
-      "clean": [
-        "clean_cmd_11"
-      ],
-      "build": [
-        "build_cmd_11"
-      ],
-      "run": [
-        "run_cmd_11"
-      ],
-      "post_run": [
-        "post_run_cmd_11"
-      ]
-    },
-    "user_params": {
-      "run": [
-        {
-          "name": "run_param_11",
-          "values": [],
-          "description": "run param number one"
-        }
-      ],
-      "build": [
-        {
-          "name": "build_param_11",
-          "values": [],
-          "description": "build param number one"
-        },
-        {
-          "name": "build_param_12",
-          "values": [],
-          "description": "build param number two"
-        },
-        {
-          "name": "build_param_13",
-          "values": [
-            "value_1"
-          ],
-          "description": "build param number three with some value"
-        }
-      ]
-    }
-  },
-  {
-    "name": "application_2",
-    "description": "application number two",
-    "supported_systems": [
-      "system_2"
-    ],
-    "commands": {
-      "clean": [
-        "clean_cmd_21"
-      ],
-      "build": [
-        "build_cmd_21",
-        "build_cmd_22"
-      ],
-      "run": [
-        "run_cmd_21"
-      ],
-      "post_run": [
-        "post_run_cmd_21"
-      ]
-    },
-    "user_params": {
-      "build": [
-        {
-          "name": "build_param_21",
-          "values": [],
-          "description": "build param number one"
-        },
-        {
-          "name": "build_param_22",
-          "values": [],
-          "description": "build param number two"
-        },
-        {
-          "name": "build_param_23",
-          "values": [],
-          "description": "build param number three"
-        }
-      ],
-      "run": []
-    }
-  }
-]
diff --git a/tests/test_resources/application_config.json.license b/tests/test_resources/application_config.json.license
deleted file mode 100644
index 9b83bfc..0000000
--- a/tests/test_resources/application_config.json.license
+++ /dev/null
@@ -1,3 +0,0 @@
-SPDX-FileCopyrightText: Copyright 2022, Arm Limited and/or its affiliates.
-
-SPDX-License-Identifier: Apache-2.0
diff --git a/tests/test_resources/backends/applications/application1/backend-config.json b/tests/test_resources/backends/applications/application1/backend-config.json
deleted file mode 100644
index 96d5420..0000000
--- a/tests/test_resources/backends/applications/application1/backend-config.json
+++ /dev/null
@@ -1,29 +0,0 @@
-[
-  {
-    "name": "application_1",
-    "description": "This is application 1",
-    "supported_systems": [
-      {
-        "name": "System 1"
-      }
-    ],
-    "commands": {
-      "clean": [
-        "echo 'clean'"
-      ],
-      "build": [
-        "echo 'build'"
-      ],
-      "run": [
-        "echo 'run'"
-      ],
-      "post_run": [
-        "echo 'post_run'"
-      ]
-    },
-    "user_params": {
-      "build": [],
-      "run": []
-    }
-  }
-]
diff --git a/tests/test_resources/backends/applications/application1/backend-config.json.license b/tests/test_resources/backends/applications/application1/backend-config.json.license
deleted file mode 100644
index 9b83bfc..0000000
--- a/tests/test_resources/backends/applications/application1/backend-config.json.license
+++ /dev/null
@@ -1,3 +0,0 @@
-SPDX-FileCopyrightText: Copyright 2022, Arm Limited and/or its affiliates.
-
-SPDX-License-Identifier: Apache-2.0
diff --git a/tests/test_resources/backends/applications/application2/backend-config.json b/tests/test_resources/backends/applications/application2/backend-config.json
deleted file mode 100644
index 3a3969a..0000000
--- a/tests/test_resources/backends/applications/application2/backend-config.json
+++ /dev/null
@@ -1,29 +0,0 @@
-[
-  {
-    "name": "application_2",
-    "description": "This is application 2",
-    "supported_systems": [
-      {
-        "name": "System 2"
-      }
-    ],
-    "commands": {
-      "clean": [
-        "echo 'clean'"
-      ],
-      "build": [
-        "echo 'build'"
-      ],
-      "run": [
-        "echo 'run'"
-      ],
-      "post_run": [
-        "echo 'post_run'"
-      ]
-    },
-    "user_params": {
-      "build": [],
-      "run": []
-    }
-  }
-]
diff --git a/tests/test_resources/backends/applications/application2/backend-config.json.license b/tests/test_resources/backends/applications/application2/backend-config.json.license
deleted file mode 100644
index 9b83bfc..0000000
--- a/tests/test_resources/backends/applications/application2/backend-config.json.license
+++ /dev/null
@@ -1,3 +0,0 @@
-SPDX-FileCopyrightText: Copyright 2022, Arm Limited and/or its affiliates.
-
-SPDX-License-Identifier: Apache-2.0
diff --git a/tests/test_resources/backends/applications/application3/readme.txt b/tests/test_resources/backends/applications/application3/readme.txt
deleted file mode 100644
index 8c72c05..0000000
--- a/tests/test_resources/backends/applications/application3/readme.txt
+++ /dev/null
@@ -1,4 +0,0 @@
-SPDX-FileCopyrightText: Copyright 2022, Arm Limited and/or its affiliates.
-SPDX-License-Identifier: Apache-2.0
-
-This application does not have json configuration file
diff --git a/tests/test_resources/backends/applications/application4/backend-config.json b/tests/test_resources/backends/applications/application4/backend-config.json
deleted file mode 100644
index 11017e4..0000000
--- a/tests/test_resources/backends/applications/application4/backend-config.json
+++ /dev/null
@@ -1,33 +0,0 @@
-[
-  {
-    "name": "application_4",
-    "description": "This is application 4",
-    "variables": {
-      "build_dir": "build"
-    },
-    "supported_systems": [
-      {
-        "name": "System 4"
-      }
-    ],
-    "commands": {
-      "run": [
-        "echo {application.name}"
-      ]
-    },
-    "user_params": {
-      "run": [
-        {
-          "name": "--app",
-          "description": "Sample command param",
-          "values": [
-            "application1",
-            "application2",
-            "application3"
-          ],
-          "default_value": "application1"
-        }
-      ]
-    }
-  }
-]
diff --git a/tests/test_resources/backends/applications/application4/backend-config.json.license b/tests/test_resources/backends/applications/application4/backend-config.json.license
deleted file mode 100644
index 9b83bfc..0000000
--- a/tests/test_resources/backends/applications/application4/backend-config.json.license
+++ /dev/null
@@ -1,3 +0,0 @@
-SPDX-FileCopyrightText: Copyright 2022, Arm Limited and/or its affiliates.
-
-SPDX-License-Identifier: Apache-2.0
diff --git a/tests/test_resources/backends/applications/application5/backend-config.json b/tests/test_resources/backends/applications/application5/backend-config.json
deleted file mode 100644
index 219494c..0000000
--- a/tests/test_resources/backends/applications/application5/backend-config.json
+++ /dev/null
@@ -1,134 +0,0 @@
-[
-  {
-    "name": "application_5",
-    "description": "This is application 5",
-    "supported_systems": [
-      {
-        "name": "System 1"
-      },
-      {
-        "name": "System 2"
-      }
-    ],
-    "variables": {
-      "var1": "value1",
-      "var2": "value2"
-    },
-    "commands": {
-      "build": [
-        "default build command"
-      ],
-      "run": [
-        "default run command"
-      ]
-    },
-    "user_params": {
-      "build": [],
-      "run": []
-    }
-  },
-  {
-    "name": "application_5A",
-    "description": "This is application 5A",
-    "supported_systems": [
-      {
-        "name": "System 1",
-        "variables": {
-          "var1": "new value1"
-        }
-      },
-      {
-        "name": "System 2",
-        "variables": {
-          "var2": "new value2"
-        },
-        "commands": {
-          "run": [
-            "run command on system 2"
-          ]
-        }
-      }
-    ],
-    "variables": {
-      "var1": "value1",
-      "var2": "value2"
-    },
-    "commands": {
-      "build": [
-        "default build command"
-      ],
-      "run": [
-        "default run command"
-      ]
-    },
-    "user_params": {
-      "build": [],
-      "run": []
-    }
-  },
-  {
-    "name": "application_5B",
-    "description": "This is application 5B",
-    "supported_systems": [
-      {
-        "name": "System 1",
-        "variables": {
-          "var1": "value for var1 System1",
-          "var2": "value for var2 System1"
-        }
-      },
-      {
-        "name": "System 2",
-        "variables": {
-          "var1": "value for var1 System2",
-          "var2": "value for var2 System2"
-        },
-        "commands": {
-          "run": [
-            "run command on system 2"
-          ]
-        },
-        "user_params": {
-          "run": []
-        }
-      }
-    ],
-    "commands": {
-      "build": [
-        "default build command with {variables:var1}"
-      ],
-      "run": [
-        "default run command with {variables:var2}"
-      ]
-    },
-    "user_params": {
-      "build": [
-        {
-          "name": "--param",
-          "description": "Sample command param",
-          "values": [
-            "value1",
-            "value2",
-            "value3"
-          ],
-          "default_value": "value1",
-          "alias": "param1"
-        }
-      ],
-      "run": [],
-      "non_used_command": [
-        {
-          "name": "--not-used",
-          "description": "Not used param anywhere",
-          "values": [
-            "value1",
-            "value2",
-            "value3"
-          ],
-          "default_value": "value1",
-          "alias": "param1"
-        }
-      ]
-    }
-  }
-]
diff --git a/tests/test_resources/backends/applications/application5/backend-config.json.license b/tests/test_resources/backends/applications/application5/backend-config.json.license
deleted file mode 100644
index 9b83bfc..0000000
--- a/tests/test_resources/backends/applications/application5/backend-config.json.license
+++ /dev/null
@@ -1,3 +0,0 @@
-SPDX-FileCopyrightText: Copyright 2022, Arm Limited and/or its affiliates.
-
-SPDX-License-Identifier: Apache-2.0
diff --git a/tests/test_resources/backends/applications/application6/backend-config.json b/tests/test_resources/backends/applications/application6/backend-config.json
deleted file mode 100644
index 81afebd..0000000
--- a/tests/test_resources/backends/applications/application6/backend-config.json
+++ /dev/null
@@ -1,41 +0,0 @@
-[
-  {
-    "name": "application_6",
-    "description": "This is application 6",
-    "supported_systems": [
-      {
-        "name": "System 6"
-      }
-    ],
-    "commands": {
-      "clean": [
-        "echo 'clean'"
-      ],
-      "build": [
-        "echo 'build'"
-      ],
-      "run": [
-        "echo 'run {user_params:param1}'"
-      ],
-      "post_run": [
-        "echo 'post_run'"
-      ]
-    },
-    "user_params": {
-      "build": [],
-      "run": [
-        {
-          "name": "--param1",
-          "description": "Test parameter",
-          "values": [
-            "value1",
-            "value2",
-            "value3"
-          ],
-          "default_value": "value3",
-          "alias": "param1"
-        }
-      ]
-    }
-  }
-]
diff --git a/tests/test_resources/backends/applications/application6/backend-config.json.license b/tests/test_resources/backends/applications/application6/backend-config.json.license
deleted file mode 100644
index 9b83bfc..0000000
--- a/tests/test_resources/backends/applications/application6/backend-config.json.license
+++ /dev/null
@@ -1,3 +0,0 @@
-SPDX-FileCopyrightText: Copyright 2022, Arm Limited and/or its affiliates.
-
-SPDX-License-Identifier: Apache-2.0
diff --git a/tests/test_resources/backends/applications/readme.txt b/tests/test_resources/backends/applications/readme.txt
deleted file mode 100644
index d3e6fe2..0000000
--- a/tests/test_resources/backends/applications/readme.txt
+++ /dev/null
@@ -1,4 +0,0 @@
-SPDX-FileCopyrightText: Copyright 2022, Arm Limited and/or its affiliates.
-SPDX-License-Identifier: Apache-2.0
-
-File for test purposes
diff --git a/tests/test_resources/backends/systems/system1/backend-config.json b/tests/test_resources/backends/systems/system1/backend-config.json
deleted file mode 100644
index 4454695..0000000
--- a/tests/test_resources/backends/systems/system1/backend-config.json
+++ /dev/null
@@ -1,24 +0,0 @@
-[
-  {
-    "name": "System 1",
-    "description": "This is system 1",
-    "commands": {
-      "clean": [
-        "echo 'clean'"
-      ],
-      "build": [
-        "echo 'build'"
-      ],
-      "run": [
-        "echo 'run'"
-      ],
-      "post_run": [
-        "echo 'post_run'"
-      ]
-    },
-    "user_params": {
-      "build": [],
-      "run": []
-    }
-  }
-]
diff --git a/tests/test_resources/backends/systems/system1/backend-config.json.license b/tests/test_resources/backends/systems/system1/backend-config.json.license
deleted file mode 100644
index 9b83bfc..0000000
--- a/tests/test_resources/backends/systems/system1/backend-config.json.license
+++ /dev/null
@@ -1,3 +0,0 @@
-SPDX-FileCopyrightText: Copyright 2022, Arm Limited and/or its affiliates.
-
-SPDX-License-Identifier: Apache-2.0
diff --git a/tests/test_resources/backends/systems/system1/system_artifact/empty.txt b/tests/test_resources/backends/systems/system1/system_artifact/empty.txt
deleted file mode 100644
index 487e9d8..0000000
--- a/tests/test_resources/backends/systems/system1/system_artifact/empty.txt
+++ /dev/null
@@ -1,2 +0,0 @@
-SPDX-FileCopyrightText: Copyright 2022, Arm Limited and/or its affiliates.
-SPDX-License-Identifier: Apache-2.0
diff --git a/tests/test_resources/backends/systems/system2/backend-config.json b/tests/test_resources/backends/systems/system2/backend-config.json
deleted file mode 100644
index 3359d3d..0000000
--- a/tests/test_resources/backends/systems/system2/backend-config.json
+++ /dev/null
@@ -1,24 +0,0 @@
-[
-  {
-    "name": "System 2",
-    "description": "This is system 2",
-    "commands": {
-      "clean": [
-        "echo 'clean'"
-      ],
-      "build": [
-        "echo 'build'"
-      ],
-      "run": [
-        "echo 'run'"
-      ],
-      "post_run": [
-        "echo 'post_run'"
-      ]
-    },
-    "user_params": {
-      "build": [],
-      "run": []
-    }
-  }
-]
diff --git a/tests/test_resources/backends/systems/system2/backend-config.json.license b/tests/test_resources/backends/systems/system2/backend-config.json.license
deleted file mode 100644
index 9b83bfc..0000000
--- a/tests/test_resources/backends/systems/system2/backend-config.json.license
+++ /dev/null
@@ -1,3 +0,0 @@
-SPDX-FileCopyrightText: Copyright 2022, Arm Limited and/or its affiliates.
-
-SPDX-License-Identifier: Apache-2.0
diff --git a/tests/test_resources/backends/systems/system3/readme.txt b/tests/test_resources/backends/systems/system3/readme.txt
deleted file mode 100644
index aba5a9c..0000000
--- a/tests/test_resources/backends/systems/system3/readme.txt
+++ /dev/null
@@ -1,4 +0,0 @@
-SPDX-FileCopyrightText: Copyright 2022, Arm Limited and/or its affiliates.
-SPDX-License-Identifier: Apache-2.0
-
-This system does not have the json configuration file
diff --git a/tests/test_resources/backends/systems/system4/backend-config.json b/tests/test_resources/backends/systems/system4/backend-config.json
deleted file mode 100644
index daa4025..0000000
--- a/tests/test_resources/backends/systems/system4/backend-config.json
+++ /dev/null
@@ -1,15 +0,0 @@
-[
-  {
-    "name": "System 4",
-    "description": "This is system 4",
-    "commands": {
-      "run": [
-        "echo {system.name}",
-        "{application.commands.run:0}"
-      ]
-    },
-    "user_params": {
-      "run": []
-    }
-  }
-]
diff --git a/tests/test_resources/backends/systems/system4/backend-config.json.license b/tests/test_resources/backends/systems/system4/backend-config.json.license
deleted file mode 100644
index 9b83bfc..0000000
--- a/tests/test_resources/backends/systems/system4/backend-config.json.license
+++ /dev/null
@@ -1,3 +0,0 @@
-SPDX-FileCopyrightText: Copyright 2022, Arm Limited and/or its affiliates.
-
-SPDX-License-Identifier: Apache-2.0
diff --git a/tests/test_resources/backends/systems/system6/backend-config.json b/tests/test_resources/backends/systems/system6/backend-config.json
deleted file mode 100644
index 5180799..0000000
--- a/tests/test_resources/backends/systems/system6/backend-config.json
+++ /dev/null
@@ -1,30 +0,0 @@
-[
-  {
-    "name": "System 6",
-    "description": "This is system 6",
-    "variables": {
-      "var1": "{user_params:sys-param1}"
-    },
-    "commands": {
-      "run": [
-        "echo {application.name}",
-        "{application.commands.run:0}"
-      ]
-    },
-    "user_params": {
-      "run": [
-        {
-          "name": "--sys-param1",
-          "description": "Test parameter",
-          "values": [
-            "value1",
-            "value2",
-            "value3"
-          ],
-          "default_value": "value1",
-          "alias": "sys-param1"
-        }
-      ]
-    }
-  }
-]
diff --git a/tests/test_resources/backends/systems/system6/backend-config.json.license b/tests/test_resources/backends/systems/system6/backend-config.json.license
deleted file mode 100644
index 9b83bfc..0000000
--- a/tests/test_resources/backends/systems/system6/backend-config.json.license
+++ /dev/null
@@ -1,3 +0,0 @@
-SPDX-FileCopyrightText: Copyright 2022, Arm Limited and/or its affiliates.
-
-SPDX-License-Identifier: Apache-2.0
diff --git a/tests/test_resources/hello_world.json b/tests/test_resources/hello_world.json
deleted file mode 100644
index 28d7bd9..0000000
--- a/tests/test_resources/hello_world.json
+++ /dev/null
@@ -1,53 +0,0 @@
-[
-    {
-        "name": "Hello world",
-        "description": "Sample application that displays 'Hello world!'",
-        "supported_systems": [
-            "Sample System"
-        ],
-        "deploy_data": [
-            [
-                "src",
-                "/tmp/"
-            ],
-            [
-                "README",
-                "/tmp/README.md"
-            ]
-        ],
-        "commands": {
-            "clean": [],
-            "build": [],
-            "run": [
-                "echo 'Hello world!'",
-                "ls -l /tmp"
-            ],
-            "post_run": []
-        },
-        "user_params": {
-            "run": [
-                {
-                    "name": "--choice-param",
-                    "values": [
-                        "value_1",
-                        "value_2"
-                    ],
-                    "default_value": "value_1",
-                    "description": "Choice param"
-                },
-                {
-                    "name": "--open-param",
-                    "values": [],
-                    "default_value": "value_4",
-                    "description": "Open param"
-                },
-                {
-                    "name": "--enable-flag",
-                    "default_value": "value_4",
-                    "description": "Flag param"
-                }
-            ],
-            "build": []
-        }
-    }
-]
diff --git a/tests/test_resources/hello_world.json.license b/tests/test_resources/hello_world.json.license
deleted file mode 100644
index 9b83bfc..0000000
--- a/tests/test_resources/hello_world.json.license
+++ /dev/null
@@ -1,3 +0,0 @@
-SPDX-FileCopyrightText: Copyright 2022, Arm Limited and/or its affiliates.
-
-SPDX-License-Identifier: Apache-2.0
diff --git a/tests/test_resources/scripts/test_backend_run b/tests/test_resources/scripts/test_backend_run
deleted file mode 100755
index 548f577..0000000
--- a/tests/test_resources/scripts/test_backend_run
+++ /dev/null
@@ -1,8 +0,0 @@
-#!/bin/bash
-
-# SPDX-FileCopyrightText: Copyright 2022, Arm Limited and/or its affiliates.
-# SPDX-License-Identifier: Apache-2.0
-
-echo "Hello from script"
->&2 echo "Oops!"
-sleep 100
diff --git a/tests/test_resources/scripts/test_backend_run_script.sh b/tests/test_resources/scripts/test_backend_run_script.sh
deleted file mode 100644
index 548f577..0000000
--- a/tests/test_resources/scripts/test_backend_run_script.sh
+++ /dev/null
@@ -1,8 +0,0 @@
-#!/bin/bash
-
-# SPDX-FileCopyrightText: Copyright 2022, Arm Limited and/or its affiliates.
-# SPDX-License-Identifier: Apache-2.0
-
-echo "Hello from script"
->&2 echo "Oops!"
-sleep 100
diff --git a/tests/test_resources/various/applications/application_with_empty_config/backend-config.json b/tests/test_resources/various/applications/application_with_empty_config/backend-config.json
deleted file mode 100644
index fe51488..0000000
--- a/tests/test_resources/various/applications/application_with_empty_config/backend-config.json
+++ /dev/null
@@ -1 +0,0 @@
-[]
diff --git a/tests/test_resources/various/applications/application_with_empty_config/backend-config.json.license b/tests/test_resources/various/applications/application_with_empty_config/backend-config.json.license
deleted file mode 100644
index 9b83bfc..0000000
--- a/tests/test_resources/various/applications/application_with_empty_config/backend-config.json.license
+++ /dev/null
@@ -1,3 +0,0 @@
-SPDX-FileCopyrightText: Copyright 2022, Arm Limited and/or its affiliates.
-
-SPDX-License-Identifier: Apache-2.0
diff --git a/tests/test_resources/various/applications/application_with_valid_config/backend-config.json b/tests/test_resources/various/applications/application_with_valid_config/backend-config.json
deleted file mode 100644
index a457d9b..0000000
--- a/tests/test_resources/various/applications/application_with_valid_config/backend-config.json
+++ /dev/null
@@ -1,37 +0,0 @@
-[
-  {
-    "name": "test_application",
-    "description": "This is test_application",
-    "variables": {
-      "build_dir": "build"
-    },
-    "supported_systems": [
-      {
-        "name": "System 4"
-      }
-    ],
-    "commands": {
-      "build": [
-        "cp ../hello_app.txt ."
-      ],
-      "run": [
-        "{application.variables:build_dir}/hello_app.txt"
-      ]
-    },
-    "user_params": {
-      "build": [
-        {
-          "name": "--app",
-          "description": "Sample command param",
-          "values": [
-            "application1",
-            "application2",
-            "application3"
-          ],
-          "default_value": "application1"
-        }
-      ],
-      "run": []
-    }
-  }
-]
diff --git a/tests/test_resources/various/applications/application_with_valid_config/backend-config.json.license b/tests/test_resources/various/applications/application_with_valid_config/backend-config.json.license
deleted file mode 100644
index 9b83bfc..0000000
--- a/tests/test_resources/various/applications/application_with_valid_config/backend-config.json.license
+++ /dev/null
@@ -1,3 +0,0 @@
-SPDX-FileCopyrightText: Copyright 2022, Arm Limited and/or its affiliates.
-
-SPDX-License-Identifier: Apache-2.0
diff --git a/tests/test_resources/various/applications/application_with_wrong_config1/backend-config.json b/tests/test_resources/various/applications/application_with_wrong_config1/backend-config.json
deleted file mode 100644
index 724b31b..0000000
--- a/tests/test_resources/various/applications/application_with_wrong_config1/backend-config.json
+++ /dev/null
@@ -1,2 +0,0 @@
-This is not valid json file
-{
diff --git a/tests/test_resources/various/applications/application_with_wrong_config1/backend-config.json.license b/tests/test_resources/various/applications/application_with_wrong_config1/backend-config.json.license
deleted file mode 100644
index 9b83bfc..0000000
--- a/tests/test_resources/various/applications/application_with_wrong_config1/backend-config.json.license
+++ /dev/null
@@ -1,3 +0,0 @@
-SPDX-FileCopyrightText: Copyright 2022, Arm Limited and/or its affiliates.
-
-SPDX-License-Identifier: Apache-2.0
diff --git a/tests/test_resources/various/applications/application_with_wrong_config2/backend-config.json b/tests/test_resources/various/applications/application_with_wrong_config2/backend-config.json
deleted file mode 100644
index b64e6f8..0000000
--- a/tests/test_resources/various/applications/application_with_wrong_config2/backend-config.json
+++ /dev/null
@@ -1,32 +0,0 @@
-[
-  {
-    "name": "test_application",
-    "description": "This is test_application",
-    "variables": {
-      "build_dir": "build"
-    },
-    "commands": {
-      "build": [
-        "cp ../hello_app.txt ."
-      ],
-      "run": [
-        "{application.variables:build_dir}/hello_app.txt"
-      ]
-    },
-    "user_params": {
-      "build": [
-        {
-          "name": "--app",
-          "description": "Sample command param",
-          "values": [
-            "application1",
-            "application2",
-            "application3"
-          ],
-          "default_value": "application1"
-        }
-      ],
-      "run": []
-    }
-  }
-]
diff --git a/tests/test_resources/various/applications/application_with_wrong_config2/backend-config.json.license b/tests/test_resources/various/applications/application_with_wrong_config2/backend-config.json.license
deleted file mode 100644
index 9b83bfc..0000000
--- a/tests/test_resources/various/applications/application_with_wrong_config2/backend-config.json.license
+++ /dev/null
@@ -1,3 +0,0 @@
-SPDX-FileCopyrightText: Copyright 2022, Arm Limited and/or its affiliates.
-
-SPDX-License-Identifier: Apache-2.0
diff --git a/tests/test_resources/various/applications/application_with_wrong_config3/backend-config.json b/tests/test_resources/various/applications/application_with_wrong_config3/backend-config.json
deleted file mode 100644
index 4a70cdd..0000000
--- a/tests/test_resources/various/applications/application_with_wrong_config3/backend-config.json
+++ /dev/null
@@ -1,37 +0,0 @@
-[
-  {
-    "name": "test_application",
-    "description": "This is test_application",
-    "variables": {
-      "build_dir": "build"
-    },
-    "supported_systems": [
-      {
-        "anme": "System 4"
-      }
-    ],
-    "commands": {
-      "build": [
-        "cp ../hello_app.txt ."
-      ],
-      "run": [
-        "{application.variables:build_dir}/hello_app.txt"
-      ]
-    },
-    "user_params": {
-      "build": [
-        {
-          "name": "--app",
-          "description": "Sample command param",
-          "values": [
-            "application1",
-            "application2",
-            "application3"
-          ],
-          "default_value": "application1"
-        }
-      ],
-      "run": []
-    }
-  }
-]
diff --git a/tests/test_resources/various/applications/application_with_wrong_config3/backend-config.json.license b/tests/test_resources/various/applications/application_with_wrong_config3/backend-config.json.license
deleted file mode 100644
index 9b83bfc..0000000
--- a/tests/test_resources/various/applications/application_with_wrong_config3/backend-config.json.license
+++ /dev/null
@@ -1,3 +0,0 @@
-SPDX-FileCopyrightText: Copyright 2022, Arm Limited and/or its affiliates.
-
-SPDX-License-Identifier: Apache-2.0
diff --git a/tests/test_resources/various/systems/system_with_empty_config/backend-config.json b/tests/test_resources/various/systems/system_with_empty_config/backend-config.json
deleted file mode 100644
index fe51488..0000000
--- a/tests/test_resources/various/systems/system_with_empty_config/backend-config.json
+++ /dev/null
@@ -1 +0,0 @@
-[]
diff --git a/tests/test_resources/various/systems/system_with_empty_config/backend-config.json.license b/tests/test_resources/various/systems/system_with_empty_config/backend-config.json.license
deleted file mode 100644
index 9b83bfc..0000000
--- a/tests/test_resources/various/systems/system_with_empty_config/backend-config.json.license
+++ /dev/null
@@ -1,3 +0,0 @@
-SPDX-FileCopyrightText: Copyright 2022, Arm Limited and/or its affiliates.
-
-SPDX-License-Identifier: Apache-2.0
diff --git a/tests/test_resources/various/systems/system_with_valid_config/backend-config.json b/tests/test_resources/various/systems/system_with_valid_config/backend-config.json
deleted file mode 100644
index 83c3025..0000000
--- a/tests/test_resources/various/systems/system_with_valid_config/backend-config.json
+++ /dev/null
@@ -1,12 +0,0 @@
-[
-  {
-    "name": "Test system",
-    "description": "This is a test system",
-    "commands": {
-      "run": []
-    },
-    "user_params": {
-      "run": []
-    }
-  }
-]
diff --git a/tests/test_resources/various/systems/system_with_valid_config/backend-config.json.license b/tests/test_resources/various/systems/system_with_valid_config/backend-config.json.license
deleted file mode 100644
index 9b83bfc..0000000
--- a/tests/test_resources/various/systems/system_with_valid_config/backend-config.json.license
+++ /dev/null
@@ -1,3 +0,0 @@
-SPDX-FileCopyrightText: Copyright 2022, Arm Limited and/or its affiliates.
-
-SPDX-License-Identifier: Apache-2.0
diff --git a/tests/test_target_registry.py b/tests/test_target_registry.py
index e6028a9..5012148 100644
--- a/tests/test_target_registry.py
+++ b/tests/test_target_registry.py
@@ -6,6 +6,7 @@ from __future__ import annotations
 import pytest
 
 from mlia.core.common import AdviceCategory
+from mlia.target.registry import all_supported_backends
 from mlia.target.registry import registry
 from mlia.target.registry import supported_advice
 from mlia.target.registry import supported_backends
@@ -13,7 +14,7 @@ from mlia.target.registry import supported_targets
 
 
 @pytest.mark.parametrize(
-    "expected_target", ("Cortex-A", "Ethos-U55", "Ethos-U65", "TOSA")
+    "expected_target", ("cortex-a", "ethos-u55", "ethos-u65", "tosa")
 )
 def test_target_registry(expected_target: str) -> None:
     """Test the target registry."""
@@ -26,9 +27,9 @@ def test_target_registry(expected_target: str) -> None:
 @pytest.mark.parametrize(
     ("target_name", "expected_advices"),
     (
-        ("Cortex-A", [AdviceCategory.COMPATIBILITY]),
+        ("cortex-a", [AdviceCategory.COMPATIBILITY]),
         (
-            "Ethos-U55",
+            "ethos-u55",
             [
                 AdviceCategory.COMPATIBILITY,
                 AdviceCategory.OPTIMIZATION,
@@ -36,14 +37,14 @@ def test_target_registry(expected_target: str) -> None:
             ],
         ),
         (
-            "Ethos-U65",
+            "ethos-u65",
             [
                 AdviceCategory.COMPATIBILITY,
                 AdviceCategory.OPTIMIZATION,
                 AdviceCategory.PERFORMANCE,
             ],
         ),
-        ("TOSA", [AdviceCategory.COMPATIBILITY]),
+        ("tosa", [AdviceCategory.COMPATIBILITY]),
     ),
 )
 def test_supported_advice(
@@ -58,10 +59,10 @@ def test_supported_advice(
 @pytest.mark.parametrize(
     ("target_name", "expected_backends"),
     (
-        ("Cortex-A", ["ArmNNTFLiteDelegate"]),
-        ("Ethos-U55", ["Corstone-300", "Corstone-310", "Vela"]),
-        ("Ethos-U65", ["Corstone-300", "Corstone-310", "Vela"]),
-        ("TOSA", ["TOSA-Checker"]),
+        ("cortex-a", ["ArmNNTFLiteDelegate"]),
+        ("ethos-u55", ["Corstone-300", "Corstone-310", "Vela"]),
+        ("ethos-u65", ["Corstone-300", "Corstone-310", "Vela"]),
+        ("tosa", ["tosa-checker"]),
     ),
 )
 def test_supported_backends(target_name: str, expected_backends: list[str]) -> None:
@@ -72,11 +73,22 @@ def test_supported_backends(target_name: str, expected_backends: list[str]) -> N
 @pytest.mark.parametrize(
     ("advice", "expected_targets"),
     (
-        (AdviceCategory.COMPATIBILITY, ["Cortex-A", "Ethos-U55", "Ethos-U65", "TOSA"]),
-        (AdviceCategory.OPTIMIZATION, ["Ethos-U55", "Ethos-U65"]),
-        (AdviceCategory.PERFORMANCE, ["Ethos-U55", "Ethos-U65"]),
+        (AdviceCategory.COMPATIBILITY, ["cortex-a", "ethos-u55", "ethos-u65", "tosa"]),
+        (AdviceCategory.OPTIMIZATION, ["ethos-u55", "ethos-u65"]),
+        (AdviceCategory.PERFORMANCE, ["ethos-u55", "ethos-u65"]),
     ),
 )
 def test_supported_targets(advice: AdviceCategory, expected_targets: list[str]) -> None:
     """Test function supported_targets()."""
     assert sorted(expected_targets) == sorted(supported_targets(advice))
+
+
+def test_all_supported_backends() -> None:
+    """Test function all_supported_backends."""
+    assert all_supported_backends() == {
+        "Vela",
+        "tosa-checker",
+        "ArmNNTFLiteDelegate",
+        "Corstone-310",
+        "Corstone-300",
+    }
diff --git a/tests/test_utils_proc.py b/tests/test_utils_proc.py
new file mode 100644
index 0000000..bea431f
--- /dev/null
+++ b/tests/test_utils_proc.py
@@ -0,0 +1,17 @@
+# SPDX-FileCopyrightText: Copyright 2023, Arm Limited and/or its affiliates.
+# SPDX-License-Identifier: Apache-2.0
+"""Tests for process management functions."""
+from unittest.mock import MagicMock
+
+from mlia.utils.proc import Command
+from mlia.utils.proc import process_command_output
+
+
+def test_process_command_output() -> None:
+    """Test function process_command_output."""
+    command = Command(["echo", "-n", "sample message"])
+
+    output_consumer = MagicMock()
+    process_command_output(command, [output_consumer])
+
+    output_consumer.assert_called_once_with("sample message")