, 'end']);
}
promise_test(async (t) => {
  const utterance = new SpeechSynthesisUtterance();
  await runStartEndTest(t, utterance);
}, 'speechSynthesis.speak() fires start and end events with empty utterance');
promise_test(async (t) => {
  const utterance = new SpeechSynthesisUtterance('test');
  await runStartEndTest(t, utterance);
}, 'speechSynthesis.speak() fires start and end events');
</script>
