Intent of preferencesModels.test|title=DefaultSettings separates groups with same id but different titles|occurrence=1, preferencesModels.test|title=DefaultSettings groups settings correctly when extension id is same as group id|occurrence=1

All 3 exact tests in this concept. Every test is marked by where it enters the hierarchy.

mocha:v1|namespace=vscode@05c208e9e28d8c1c723fa08f85e2b7a96092e8e5|file=vs/ 3 tests
- workbench/ 3 tests
  - services/ 3 tests
    
    preferences/ 3 tests
    
    test/ 3 tests
    
    common/ 3 tests
    
    mocha:v1|namespace=vscode@05c208e9e28d8c1c723fa08f85e2b7a96092e8e5|file=vs/workbench/services/preferences/test/common/preferencesModels.test|title=DefaultSettings groups settings correctly when extension id is same as group id|occurrence=1 Introduced here
    
    mocha:v1|namespace=vscode@05c208e9e28d8c1c723fa08f85e2b7a96092e8e5|file=vs/workbench/services/preferences/test/common/preferencesModels.test|title=DefaultSettings separates groups with same id and title but different extension ids|occurrence=1 Inherited preferencesModels.ts ×2
    
    mocha:v1|namespace=vscode@05c208e9e28d8c1c723fa08f85e2b7a96092e8e5|file=vs/workbench/services/preferences/test/common/preferencesModels.test|title=DefaultSettings separates groups with same id but different titles|occurrence=1 Introduced here