github actions attempt fix test discovery

Author: VigneshVSV

.github/workflows/test-dev.yml

@@ -88,7 +88,7 @@ jobs:
       - name: Run unit tests and generate coverage report
         run: |
           pip install coverage
-          coverage run -m unittest
+          coverage run -m unittest discover -s tests -p 'test_*.py'
           coverage report -m