Scrub documentation (#116)

Author: simonkurtz-MSFT

.github/python.instructions.md

@@ -59,6 +59,7 @@ applyTo: '**/*.py'
 - Add or update pytest unit tests when changing behavior.
 - Prefer focused tests for the code being changed.
 - Avoid tests that require live Azure access; mock Azure CLI interactions and `azure_resources` helpers.
+- Abstract and consolidate common test overhead into the `test_helpers.py` file.
 
 ## Azure Helper Imports
 

.vscode/settings.json

@@ -22,7 +22,9 @@
         },
         "editor.formatOnSave": true
     },
-
+    "[markdown]": {
+        "files.trimTrailingWhitespace": false
+    },
     "terminal.integrated.defaultProfile.windows": "PowerShell",
     "plantuml.render": "Local",
     "plantuml.exportFormat": "svg",