CI: Debug environment

Author: amotl

.github/workflows/tests.yaml

@@ -46,10 +46,14 @@ jobs:
         pip install --editable=.[test]
         postroj --version
 
+    - name: Debug environment
+      run: |
+        sudo --preserve-env python -c 'import json, os; print(json.dumps(dict(os.environ), indent=2))'
+
     - name: Run tests
       # FIXME: Can this be run without elevated privileges?
       run: |
-        sudo $(command -v pytest)
+        sudo --preserve-env $(command -v pytest)
         coverage xml --omit postroj/winrunner.py
 
     - name: Upload coverage results to Codecov

testing/racker/test_run_windows.py

@@ -12,9 +12,10 @@
 
 
 if "rackerhost-debian11" in socket.gethostname():
-    pytest.skip("Nested virtualization with VT-x not working on developer's workstation", allow_module_level=True)
+    pytest.skip("Nested virtualization with VT-x fails on developer's macOS workstation", allow_module_level=True)
 
-if "GITHUB_ACTIONS" in os.environ:
+GITHUB_ACTIONS = os.environ.get("GITHUB_ACTIONS") in ('True', 'true')
+if GITHUB_ACTIONS:
     pytest.skip("Installing the Vagrant filesystem image for Windows "
                 "takes too much disk space on GitHub Actions", allow_module_level=True)