<html>
<body>
Failure! The navigation should not have been blocked
<script>
window.addEventListener("load", e => {
  internals.withUserGesture(() => {
      setTimeout(() => {
          top.location = "http://localhost:8000/security/resources/should-have-loaded.html";
      }, 0);
  });
});
</script>
</body>
</html>