Intent of languageModels.test|title=LanguageModels - Model Change Events fires onChange event when new models are added|occurrence=1

All 4 exact tests in this concept. Every test is marked by where it enters the hierarchy.

mocha:v1|namespace=vscode@05c208e9e28d8c1c723fa08f85e2b7a96092e8e5|file=vs/ 4 tests
- workbench/ 4 tests
  - contrib/ 4 tests
    
    chat/ 4 tests
    
    test/ 4 tests
    
    common/ 4 tests
    
    mocha:v1|namespace=vscode@05c208e9e28d8c1c723fa08f85e2b7a96092e8e5|file=vs/workbench/contrib/chat/test/common/languageModels.test|title=LanguageModels - Model Change Events fires onChange event when model metadata changes|occurrence=1 Inherited languageModels.test|title=LanguageModels - Model Change Events fires onChange event when model metadata changes|occurrence=1
    
    mocha:v1|namespace=vscode@05c208e9e28d8c1c723fa08f85e2b7a96092e8e5|file=vs/workbench/contrib/chat/test/common/languageModels.test|title=LanguageModels - Model Change Events fires onChange event when models are removed|occurrence=1 Inherited languageModels.test|title=LanguageModels - Model Change Events fires onChange event when models are removed|occurrence=1
    
    mocha:v1|namespace=vscode@05c208e9e28d8c1c723fa08f85e2b7a96092e8e5|file=vs/workbench/contrib/chat/test/common/languageModels.test|title=LanguageModels - Model Change Events fires onChange event when new model is added to existing set|occurrence=1 Inherited languageModels.test|title=LanguageModels - Model Change Events fires onChange event when new model is added to existing set|occurrence=1
    
    mocha:v1|namespace=vscode@05c208e9e28d8c1c723fa08f85e2b7a96092e8e5|file=vs/workbench/contrib/chat/test/common/languageModels.test|title=LanguageModels - Model Change Events fires onChange event when new models are added|occurrence=1 Introduced here