Verbose pytest output.

Author: ketch

.github/workflows/testing.yml

@@ -125,7 +125,7 @@ jobs:
     - name: Test with pytest
       run: |
         cd ${CLAW}/pyclaw
-        coverage run --source=src -m pytest --ignore=development -k "not test_shallow_sphere"
+        coverage run --source=src -m pytest -vv --showlocals --ignore=development -k "not test_shallow_sphere"
 
     - name: Upload to Coveralls
       if: always()