<script src="/resources/testdriver.js"></script>
<script src="/resources/testdriver-vendor.js"></script>
<script>
"use strict";

Promise.resolve().then(async () => {
  test_driver.set_test_context(window.parent);
  await test_driver.set_permission({ name: 'screen-wake-lock' }, 'granted');

  try {
    const wakeLock = await navigator.wakeLock.request("screen");
    window.parent.postMessage({ type: 'availability-result', enabled: true }, "*");
    await wakeLock.release();
  } catch (e) {
    if (e instance