Intent of observable.test|title=observables bug: Dont reset states|occurrence=1, observable.test|title=observables set dependency in derived|occurrence=1, +1

All 6 exact tests in this concept. Every test is marked by where it enters the hierarchy.

mocha:v1|namespace=vscode@05c208e9e28d8c1c723fa08f85e2b7a96092e8e5|file=vs/ 6 tests
- base/ 6 tests
  - test/ 6 tests
    
    common/ 6 tests
    
    observables/ 6 tests
    
    mocha:v1|namespace=vscode@05c208e9e28d8c1c723fa08f85e2b7a96092e8e5|file=vs/base/test/common/observables/observable.test|title=observables autorunPerKeyedItem per-key setup fires when items derived through observableFromEvent chain updates|occurrence=1 Inherited observable.test|title=observables autorunPerKeyedItem per-key setup fires when items derived through observableFromEvent chain updates|occurrence=1
    
    mocha:v1|namespace=vscode@05c208e9e28d8c1c723fa08f85e2b7a96092e8e5|file=vs/base/test/common/observables/observable.test|title=observables bug: Dont reset states|occurrence=1 Introduced here
    
    mocha:v1|namespace=vscode@05c208e9e28d8c1c723fa08f85e2b7a96092e8e5|file=vs/base/test/common/observables/observable.test|title=observables changing observables in endUpdate|occurrence=1 Introduced here
    
    mocha:v1|namespace=vscode@05c208e9e28d8c1c723fa08f85e2b7a96092e8e5|file=vs/base/test/common/observables/observable.test|title=observables set dependency in derived|occurrence=1 Introduced here
    
    mocha:v1|namespace=vscode@05c208e9e28d8c1c723fa08f85e2b7a96092e8e5|file=vs/base/test/common/observables/observable.test|title=observables topological order|occurrence=1 Inherited observable.test|title=observables topological order|occurrence=1
    
    mocha:v1|namespace=vscode@05c208e9e28d8c1c723fa08f85e2b7a96092e8e5|file=vs/base/test/common/observables/observable.test|title=observables tutorial derived + autorun|occurrence=1 Inherited observable.test|title=observables tutorial derived + autorun|occurrence=1