| This is a testharness.js-based test. | |
| FAIL worker.postMessage should be able to transfer a ReadableStream assert_true: the original stream should be locked expected true got false | |
| FAIL postMessage in a worker should be able to transfer a ReadableStream promise_test: Unhandled rejection with value: object "TypeError: Cannot read property 'constructor' of null" | |
| Harness: the test ran to completion. | |