[WIP] Adding Comprehensive Testing Instructions to PR Description#7335

Copilot wants to merge 1 commit intocopilot/fix-7280microsoft/vscode-pull-request-github:copilot/fix-7280from

copilot/fix-03647782-8e45-4a54-9f50-081d6943eacamicrosoft/vscode-pull-request-github:copilot/fix-03647782-8e45-4a54-9f50-081d6943eacaCopy head branch name to clipboard