speechrecognition-restart-onend.html

<!doctype html>
<title>Verify that calling start() during onend does not crash</title>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script>

async_test(t => {
  var recog = new webkitSpeechRecognition();
  recog.onend = () => {
    recog.start();
    setTimeout(() => t.done());
  };
  recog.start();
});

</script>

chromium/third_party/blink/web_tests/wpt_internal/speech/scripted/speechrecognition-restart-onend.html