remove print stmnt, update ci

.github/workflows/ci.yml

@@ -36,8 +36,7 @@ jobs:
         flake8 . --count --exit-zero --max-complexity=10 --max-line-length=127 --statistics
     - name: Test with pytest
       run: |
-        cd tests
-        pytest --cov=../waybackpy .
+        pytest --cov=waybackpy tests/
     - name: Upload coverage to Codecov
       run: |
         bash <(curl -s https://codecov.io/bash) -t ${{ secrets.CODECOV_TOKEN }}