This is a testharness.js-based test.
PASS ReadableStream tee() should not touch Object.prototype properties
PASS ReadableStream tee() should not call the global ReadableStream
FAIL ReadableStream async iterator should use the original values of getReader() and ReadableStreamDefaultReader methods promise_test: Unhandled rejection with value: object "TypeError: rs is not async iterable"
PASS tee() should not call Promise.prototype.then()
PASS pipeTo() should not call Promise.prototype.then()
Harness: the test ran to completion.