chore: try again generating coverage

Author: KingDarBoja

.github/workflows/tests.yml

@@ -24,6 +24,11 @@ jobs:
       run: tox
       env:
         TOXENV: ${{ matrix.toxenv }}
+    - name: Generate coverage report
+      run: |
+        pip install pytest
+        pip install pytest-cov
+        pytest tests --cov-report=term-missing --cov=graphql_server
     - name: Report coverage to Codecov
       uses: codecov/codecov-action@v1
       with: