Intent of async.test|title=Async AsyncIterableProducer async executor resolves without emitting|occurrence=1

All 3 exact tests in this concept. Every test is marked by where it enters the hierarchy.

mocha:v1|namespace=vscode@05c208e9e28d8c1c723fa08f85e2b7a96092e8e5|file=vs/ 3 tests
- base/ 3 tests
  - test/ 3 tests
    
    common/ 3 tests
    
    mocha:v1|namespace=vscode@05c208e9e28d8c1c723fa08f85e2b7a96092e8e5|file=vs/base/test/common/async.test|title=Async AsyncIterableProducer async executor resolves without emitting|occurrence=1 Introduced here
    
    mocha:v1|namespace=vscode@05c208e9e28d8c1c723fa08f85e2b7a96092e8e5|file=vs/base/test/common/async.test|title=Async AsyncIterableProducer async executor with emitOne|occurrence=1 Inherited async.test|title=Async AsyncIterableProducer concurrent iteration|occurrence=1, async.test|title=Async AsyncIterableProducer async executor with emitOne|occurrence=1
    
    mocha:v1|namespace=vscode@05c208e9e28d8c1c723fa08f85e2b7a96092e8e5|file=vs/base/test/common/async.test|title=Async AsyncIterableProducer concurrent iteration|occurrence=1 Inherited async.test|title=Async AsyncIterableProducer concurrent iteration|occurrence=1, async.test|title=Async AsyncIterableProducer async executor with emitOne|occurrence=1