Intent of oauth.ts ×2

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
    
    mocha:v1|namespace=vscode@05c208e9e28d8c1c723fa08f85e2b7a96092e8e5|file=vs/base/test/common/oauth.test|title=OAuth Client ID Fallback Scenarios fetchDynamicRegistration should throw specific error for DCR failure|occurrence=1 Inherited oauth.ts ×1
    
    mocha:v1|namespace=vscode@05c208e9e28d8c1c723fa08f85e2b7a96092e8e5|file=vs/base/test/common/oauth.test|title=OAuth Network Functions fetchDynamicRegistration should handle malformed JSON error response|occurrence=1 Inherited oauth.ts ×1
    
    mocha:v1|namespace=vscode@05c208e9e28d8c1c723fa08f85e2b7a96092e8e5|file=vs/base/test/common/oauth.test|title=OAuth Network Functions fetchDynamicRegistration should handle response.text() failure for error cases|occurrence=1 Introduced here
    
    mocha:v1|namespace=vscode@05c208e9e28d8c1c723fa08f85e2b7a96092e8e5|file=vs/base/test/common/oauth.test|title=OAuth Network Functions fetchDynamicRegistration should handle structured error response without description|occurrence=1 Inherited oauth.ts ×3
    
    mocha:v1|namespace=vscode@05c208e9e28d8c1c723fa08f85e2b7a96092e8e5|file=vs/base/test/common/oauth.test|title=OAuth Network Functions fetchDynamicRegistration should handle structured error response|occurrence=1 Inherited oauth.ts ×3
    
    mocha:v1|namespace=vscode@05c208e9e28d8c1c723fa08f85e2b7a96092e8e5|file=vs/base/test/common/oauth.test|title=OAuth Network Functions fetchDynamicRegistration should throw error on non-OK response|occurrence=1 Inherited oauth.ts ×1