fix CI: let pytest.ini control marker filters instead of overriding in workflow

Author: SunflowersLwtech

.github/workflows/ci.yml

@@ -27,7 +27,7 @@ jobs:
         run: pip install -r requirements.txt && pip install pytest pytest-asyncio
 
       - name: Run unit tests
-        run: pytest -m "not live_api" --tb=short -q
+        run: pytest --tb=short -q
 
   frontend-build:
     name: Frontend Build