Enable Ruff PT021 (#86801)

tests/components/tradfri/test_light.py

@@ -72,7 +72,7 @@ TRANSITION_CASES_FOR_TESTS = [None, 0, 1]
 
 
 @pytest.fixture(autouse=True, scope="module")
-def setup(request):
+def setup():
     """Set up patches for pytradfri methods."""
     p_1 = patch(
         "pytradfri.device.LightControl.raw",
@@ -83,13 +83,11 @@ def setup(request):
     p_1.start()
     p_2.start()
 
-    def teardown():
-        """Remove patches for pytradfri methods."""
+    yield
+
     p_1.stop()
     p_2.stop()
 
-    request.addfinalizer(teardown)
-
 
 async def generate_psk(self, code):
     """Mock psk."""

tests/ruff.toml

@@ -5,5 +5,6 @@ extend-select = [
     "PT001", # Use @pytest.fixture without parentheses
     "PT013", # Found incorrect pytest import, use simple import pytest instead
     "PT015", # Assertion always fails, replace with pytest.fail()
+    "PT021", # use yield instead of request.addfinalizer
     "PT022", # No teardown in fixture, replace useless yield with return
 ]