Intent of environmentService.ts ×4

All 4 exact tests in this concept. Every test is marked by where it enters the hierarchy.

mocha:v1|namespace=vscode@05c208e9e28d8c1c723fa08f85e2b7a96092e8e5|file=vs/ 4 tests
- platform/ 4 tests
  - environment/ 4 tests
    
    test/ 4 tests
    
    node/ 4 tests
    
    mocha:v1|namespace=vscode@05c208e9e28d8c1c723fa08f85e2b7a96092e8e5|file=vs/platform/environment/test/node/environmentService.test|title=EnvironmentService careful with boolean file names|occurrence=1 Introduced here
    
    mocha:v1|namespace=vscode@05c208e9e28d8c1c723fa08f85e2b7a96092e8e5|file=vs/platform/environment/test/node/environmentService.test|title=EnvironmentService parseExtensionHostPort when built|occurrence=1 Inherited environmentService.ts ×2
    
    mocha:v1|namespace=vscode@05c208e9e28d8c1c723fa08f85e2b7a96092e8e5|file=vs/platform/environment/test/node/environmentService.test|title=EnvironmentService parseExtensionHostPort when unbuilt|occurrence=1 Inherited environmentService.ts ×3
    
    mocha:v1|namespace=vscode@05c208e9e28d8c1c723fa08f85e2b7a96092e8e5|file=vs/platform/environment/test/node/environmentService.test|title=EnvironmentService userDataDir|occurrence=1 Inherited environmentService.ts ×1