This is a testharness.js-based test.
FAIL TransformStream constructor should not call setters for highWaterMark or size Failed to construct 'TransformStream': TransformStream disabled because StreamsNative is enabled
FAIL TransformStream should use the original value of ReadableStream and WritableStream Failed to construct 'TransformStream': TransformStream disabled because StreamsNative is enabled
Harness: the test ran to completion.