Azure DevOps integration tests (#114577)

* Add tests to azure devops

* Remove Azure DevOps files from coverage

* Add assertion for entity registration in test_sensors()

* Remove unnecessary code in test_sensor.py

* Refactor test_sensors function

* Fix

* Test unique id

* Refactor

* Refactor reauth_flow test in azure_devops module

* Suggested changes, batched

Co-authored-by: Joost Lekkerkerker <joostlek@outlook.com>

* Changes

* Use snapshot

* Remove redundant entry fetch

---------

Co-authored-by: Joost Lekkerkerker <joostlek@outlook.com>

tests/components/azure_devops/conftest.py

@@ -0,0 +1,58 @@
+"""Test fixtures for Azure DevOps."""
+
+from collections.abc import AsyncGenerator, Generator
+from unittest.mock import AsyncMock, MagicMock, patch
+
+import pytest
+
+from homeassistant.components.azure_devops.const import DOMAIN
+
+from . import DEVOPS_BUILD, DEVOPS_PROJECT, FIXTURE_USER_INPUT, PAT, UNIQUE_ID
+
+from tests.common import MockConfigEntry
+
+
+@pytest.fixture
+async def mock_devops_client() -> AsyncGenerator[MagicMock, None]:
+    """Mock the Azure DevOps client."""
+
+    with (
+        patch(
+            "homeassistant.components.azure_devops.DevOpsClient", autospec=True
+        ) as mock_client,
+        patch(
+            "homeassistant.components.azure_devops.config_flow.DevOpsClient",
+            new=mock_client,
+        ),
+    ):
+        devops_client = mock_client.return_value
+        devops_client.authorized = True
+        devops_client.pat = PAT
+        devops_client.authorize.return_value = True
+        devops_client.get_project.return_value = DEVOPS_PROJECT
+        devops_client.get_builds.return_value = [DEVOPS_BUILD]
+        devops_client.get_build.return_value = DEVOPS_BUILD
+        devops_client.get_work_items_ids_all.return_value = None
+        devops_client.get_work_items.return_value = None
+
+        yield devops_client
+
+
+@pytest.fixture
+async def mock_config_entry() -> MockConfigEntry:
+    """Create a mock config entry."""
+    return MockConfigEntry(
+        domain=DOMAIN,
+        data=FIXTURE_USER_INPUT,
+        unique_id=UNIQUE_ID,
+    )
+
+
+@pytest.fixture
+def mock_setup_entry() -> Generator[AsyncMock, None, None]:
+    """Override async_setup_entry."""
+    with patch(
+        "homeassistant.components.azure_devops.async_setup_entry",
+        return_value=True,
+    ) as mock_setup_entry:
+        yield mock_setup_entry