running test only on test dir

.github/workflows/python-app.yml

@@ -40,7 +40,7 @@ jobs:
     - name: Test with pytest
       run: |
         ls $GITHUB_WORKSPACE
-        pytest
+        pytest test
       env:
         PYTHONPATH: $GITHUB_WORKSPACE/data-management-python:$PYTHONPATH
         AIRFLOW__CORE__DAGBAG_IMPORT_TIMEOUT: 20