| Harness Error (TIMEOUT), message = null | |
| FAIL callback's result is promisified if not async promise_test: Unhandled rejection with value: object "NotSupportedError: The operation is not supported." | |
| TIMEOUT lock is held until callback's returned promise resolves Test timed out | |
| NOTRUN lock is held until callback's returned promise rejects | |
| NOTRUN held lock prevents the same client from acquiring it | |