CI: Let pytest generate summary report

See https://docs.pytest.org/en/7.1.x/how-to/output.html#producing-a-detailed-summary-report

.github/workflows/build_lint.yml

@@ -50,7 +50,7 @@ jobs:
         pip install mesa --pre
         pip install pytest
     - name: Test with pytest
-      run: pytest test_examples.py
+      run: pytest -rA test_examples.py
 
   build-main:
     runs-on: ubuntu-latest
@@ -65,4 +65,4 @@ jobs:
         pip install pytest
         pip install -U git+https://github.com/projectmesa/mesa@main#egg=mesa
     - name: Test with pytest
-      run: pytest -v test_examples.py
+      run: pytest -rA test_examples.py