Intent of event.test|title=Event utils EventMultiplexer event dispose works|occurrence=1

All 5 exact tests in this concept. Every test is marked by where it enters the hierarchy.

mocha:v1|namespace=vscode@05c208e9e28d8c1c723fa08f85e2b7a96092e8e5|file=vs/ 5 tests
- base/ 5 tests
  - test/ 5 tests
    
    common/ 5 tests
    
    mocha:v1|namespace=vscode@05c208e9e28d8c1c723fa08f85e2b7a96092e8e5|file=vs/base/test/common/event.test|title=Event utils DynamicListEventMultiplexer should fire events for added items|occurrence=1 Inherited event.ts ×1
    
    mocha:v1|namespace=vscode@05c208e9e28d8c1c723fa08f85e2b7a96092e8e5|file=vs/base/test/common/event.test|title=Event utils EventMultiplexer add dispose works|occurrence=1 Inherited event.test|title=Event utils EventMultiplexer late add works|occurrence=1, event.test|title=Event utils EventMultiplexer add dispose works|occurrence=1
    
    mocha:v1|namespace=vscode@05c208e9e28d8c1c723fa08f85e2b7a96092e8e5|file=vs/base/test/common/event.test|title=Event utils EventMultiplexer event dispose works|occurrence=1 Introduced here
    
    mocha:v1|namespace=vscode@05c208e9e28d8c1c723fa08f85e2b7a96092e8e5|file=vs/base/test/common/event.test|title=Event utils EventMultiplexer late add works|occurrence=1 Inherited event.test|title=Event utils EventMultiplexer late add works|occurrence=1, event.test|title=Event utils EventMultiplexer add dispose works|occurrence=1
    
    mocha:v1|namespace=vscode@05c208e9e28d8c1c723fa08f85e2b7a96092e8e5|file=vs/base/test/common/event.test|title=Event utils EventMultiplexer multiplexer dispose works|occurrence=1 Inherited event.test|title=Event utils EventMultiplexer multiplexer dispose works|occurrence=1