statechange-iframe-destroy-parent.html

<html>
  <script src="../../resources/testharness.js"></script>
  <script src="../../resources/testharnessreport.js"></script>
  <iframe id="ifr">
  </iframe>
<script>

let triggered = null;

function trigger()
{
  ifr.remove();
  triggered();
}

promise_test(t => {
  ifr.src = "resources/statechange-iframe-destroy-child.html";
  return new Promise(resolve => {
    triggered = resolve;
  });
}, 'Remove iframe from a statechange callback invoked from iframe');

</script>
</html>

chromium/third_party/blink/web_tests/fast/peerconnection/statechange-iframe-destroy-parent.html