Add type hints for FixtureRequest in tests (#118779)

tests/components/blebox/conftest.py

@@ -1,5 +1,6 @@
 """PyTest fixtures and test helpers."""
 
+from typing import Any
 from unittest import mock
 from unittest.mock import AsyncMock, PropertyMock, patch
 
@@ -71,7 +72,7 @@ def config_fixture():
 
 
 @pytest.fixture(name="feature")
-def feature_fixture(request):
+def feature_fixture(request: pytest.FixtureRequest) -> Any:
     """Return an entity wrapper from given fixture name."""
     return request.getfixturevalue(request.param)