Intent of languagesRegistry.test|title=LanguagesRegistry mimetypes are generated if necessary|occurrence=1

All 2 exact tests in this concept. Every test is marked by where it enters the hierarchy.

mocha:v1|namespace=vscode@05c208e9e28d8c1c723fa08f85e2b7a96092e8e5|file=vs/ 2 tests
- editor/ 2 tests
  - test/ 2 tests
    
    common/ 2 tests
    
    services/ 2 tests
    
    mocha:v1|namespace=vscode@05c208e9e28d8c1c723fa08f85e2b7a96092e8e5|file=vs/editor/test/common/services/languagesRegistry.test|title=LanguagesRegistry first mimetype wins 2|occurrence=1 Inherited languagesRegistry.test|title=LanguagesRegistry first mimetype wins 2|occurrence=1
    
    mocha:v1|namespace=vscode@05c208e9e28d8c1c723fa08f85e2b7a96092e8e5|file=vs/editor/test/common/services/languagesRegistry.test|title=LanguagesRegistry mimetypes are generated if necessary|occurrence=1 Introduced here