Intent of observable.test|title=observables prevent invalid usage reading outside of compute function derived|occurrence=1

All 1 exact test in this concept. Every test is marked by where it enters the hierarchy.

mocha:v1|namespace=vscode@05c208e9e28d8c1c723fa08f85e2b7a96092e8e5|file=vs/ 1 test
- base/ 1 test
  - test/ 1 test
    
    common/ 1 test
    
    observables/ 1 test
    
    mocha:v1|namespace=vscode@05c208e9e28d8c1c723fa08f85e2b7a96092e8e5|file=vs/base/test/common/observables/observable.test|title=observables prevent invalid usage reading outside of compute function derived|occurrence=1 Introduced here