Fix pytest test directory path in CI workflow - use tests/ instead of src/tests/

Author: aledipa

.github/workflows/ci.yml

@@ -46,7 +46,7 @@ jobs:
     
     - name: Test with pytest
       run: |
-        pytest src/tests/ --cov=src --cov-report=xml --cov-report=html
+        pytest tests/ --cov=src --cov-report=xml --cov-report=html
     
     - name: Upload coverage to Codecov
       uses: codecov/codecov-action@v3