Intent of async.ts ×2

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/async.test|title=Async LimitedQueue basics (with long running task)|occurrence=1 Inherited async.test|title=Async LimitedQueue basics (with long running task)|occurrence=1
    
    mocha:v1|namespace=vscode@05c208e9e28d8c1c723fa08f85e2b7a96092e8e5|file=vs/base/test/common/async.test|title=Async LimitedQueue basics (with sync running task)|occurrence=1 Inherited async.ts ×2
    
    mocha:v1|namespace=vscode@05c208e9e28d8c1c723fa08f85e2b7a96092e8e5|file=vs/base/test/common/async.test|title=Async TaskSequentializer execution basics|occurrence=1 Inherited async.ts ×2
    
    mocha:v1|namespace=vscode@05c208e9e28d8c1c723fa08f85e2b7a96092e8e5|file=vs/base/test/common/async.test|title=Async TaskSequentializer join (with executing and queued)|occurrence=1 Inherited async.test|title=Async TaskSequentializer join (with executing and queued)|occurrence=1
    
    mocha:v1|namespace=vscode@05c208e9e28d8c1c723fa08f85e2b7a96092e8e5|file=vs/base/test/common/async.test|title=Async TaskSequentializer join (without queued)|occurrence=1 Inherited async.test|title=Async TaskSequentializer join (without queued)|occurrence=1