<!DOCTYPE HTML>
<meta charset=utf-8>
<title>LongTask Timing: long task in cross-origin sibling iframe</title>
<body>

<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="/common/get-host-info.sub.js"></script>

<script>
  const sibling_url = new URL("resources/subframe-with-longtask.html",
                              new URL(location.pathname,
                                      get_host_info().HTTPS_REMOTE_ORIGIN)).href;

  async_test(t