This is a testharness.js-based test.
[FAIL] Verify that writing to the width and height attributes of an OffscreenCanvas works when there is a webgl context attached.
Failed to execute 'transferToImageBitmap' on 'OffscreenCanvas': Cannot transfer an ImageBitmap from an OffscreenCanvas with no context
[FAIL] Verify that resizing an OffscreenCanvas with a webgl context propagates the new size to its placeholder canvas asynchronously.
Failed to execute 'transferToImageBitmap' on 'OffscreenCanvas': Cannot transfer an ImageBitmap from an OffscreenCanvas with no context
Harness: the test ran to completion.