Add coverage report

.github/workflows/run_tests.yml

@@ -29,7 +29,7 @@ jobs:
         if [ -f requirements.txt ]; then pip install -r requirements.txt; fi
     - name: Test with pytest
       run: |
-        pytest -v
+        pytest -v --cov AxonDeepSeg/ --cov-report=lcov
     # Step 4: Submit to coveralls
     - name: Submit to coveralls
       uses: coverallsapp/[email protected]