chore: codeQL fixes

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

@@ -494,12 +494,15 @@ async def get_team_agent(self, team_id, agent_name): return None
 
         database = MockDatabase()
 
-        with pytest.raises(ValueError):
-            async with database:
+        async def run_database_context():
+            async with database as db:
                 assert database.initialized is True
                 # Raise an exception to test cleanup
                 raise ValueError("Test exception")
 
+        with pytest.raises(ValueError):
+            await run_database_context()
+
         # Even with exception, close should have been called
         assert database.closed is True
 

src/tests/backend/v4/config/test_settings.py

@@ -347,7 +347,7 @@ async def cancel_task():
         cancel_task_handle = asyncio.create_task(cancel_task())
 
         with self.assertRaises(asyncio.CancelledError):
-            await task
+            _ = await task
 
         await cancel_task_handle
 
@@ -367,7 +367,7 @@ async def cancel_task():
         cancel_task_handle = asyncio.create_task(cancel_task())
 
         with self.assertRaises(asyncio.CancelledError):
-            await task
+            _ = await task
 
         await cancel_task_handle