Intent of languageModels.test|title=LanguageModels - Vendor Change Events fires onDidChangeLanguageModelVendors when multiple vendors are added and removed|occurrence=1

All 1 exact test in this concept. Every test is marked by where it enters the hierarchy.

mocha:v1|namespace=vscode@05c208e9e28d8c1c723fa08f85e2b7a96092e8e5|file=vs/ 1 test
- workbench/ 1 test
  - contrib/ 1 test
    
    chat/ 1 test
    
    test/ 1 test
    
    common/ 1 test
    
    mocha:v1|namespace=vscode@05c208e9e28d8c1c723fa08f85e2b7a96092e8e5|file=vs/workbench/contrib/chat/test/common/languageModels.test|title=LanguageModels - Vendor Change Events fires onDidChangeLanguageModelVendors when multiple vendors are added and removed|occurrence=1 Introduced here