<!doctype html>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="/resources/testdriver.js"></script>
<script src="/resources/testdriver-vendor.js"></script>
<script src="/resources/testdriver-actions.js"></script>
<script src="/common/top-layer.js"></script>
<script src="../resources/helpers.js"></script>

<body>
<script>
const type = "CloseWatcher";

promise_test(async t => {
  const events = [];

  createRecordingCloseWatcher(t, events,