ci: add pytest testpath config and comment about detail

Author: consideRatio

.github/workflows/test.yaml

@@ -160,9 +160,13 @@ jobs:
 
       - name: Run tests
         run: |
+          # we have installed a pre-built wheel and configured code coverage to
+          # inspect "jupyter_server_proxy", by re-locating to another directory,
+          # there is no confusion about "jupyter_server_proxy" referring to our
+          # installed package rather than the local directory
           mkdir build
           cd build
-          pytest -vv ../tests -c ../pyproject.toml
+          pytest -c ../pyproject.toml
 
       - name: Upload test reports
         if: always()

pyproject.toml

@@ -182,6 +182,7 @@ src = "labextension/package.json"
 
 [tool.pytest.ini_options]
 cache_dir = "build/.cache/pytest"
+testpaths = ["tests"]
 addopts = [
     "-vv",
     "--cov=jupyter_server_proxy",