This is a testharness.js-based test.
[FAIL] Transferred MessageChannel works as expected
promise_test: Unhandled rejection with value: object "RangeError: Failed to construct 'ReadableStream': Invalid type is specified"
[FAIL] Second branch of owning ReadableStream tee should end up into errors with transfer only values
promise_test: Unhandled rejection with value: object "RangeError: Failed to construct 'ReadableStream': Invalid type is specified"
Harness: the test ran to completion.