tests: fix a typo in the previous commit

Author: bluetech

tests/test_fixtures.py

@@ -373,7 +373,7 @@ def test_settings_restored(self) -> None:
         assert settings.ALLOWED_HOSTS == ["testserver"]
 
     def test_transactions(self, live_server) -> None:
-        if not connection.features.support_transactions:
+        if not connection.features.supports_transactions:
             pytest.skip("transactions required for this test")
 
         assert not connection.in_atomic_block