chore: code quality updates

Author: Ashwal-Microsoft

src/tests/backend/common/database/test_database_base.py

@@ -500,8 +500,8 @@ async def get_team_agent(self, team_id, agent_name): return None
                 # Raise an exception to test cleanup
                 raise ValueError("Test exception")
 
-            # Even with exception, close should have been called
-            assert database.closed is True
+                # Even with exception, close should have been called
+                assert database.closed is True
 
 
 class TestDatabaseBaseInheritance: