;
      assert_true(await iframeDialogIsOpen(iframe2, t.get_signal()), "Dialog 2 is still open");

      await test_driver.send_keys(iframe2, "\uE00C");

      assert_false(await iframeDialogIsOpen(iframe1, t.get_signal()), "Dialog 1 is still closed");
      assert_false(await iframeDialogIsOpen(iframe2, t.get_signal()), "Dialog 2 is now closed");
    });
  </script>
</body>
