LayoutTests/http/tests/webrtc/sframe-transform-write.html

<script>
  onload = () => {
    if (window.testRunner)
      testRunner.dumpAsText();
    let writer = new SFrameTransform().writable.getWriter();
    new AudioContext().audioWorklet.addModule('a').catch(() => {
      writer.write();
    });
  };
</script>
<p>This test should not crash.</p>