r);
  }, "Column #4");

  promise_test(async t => {
    await activateMarker(3);
    await focusNext();
    assert_equals(document.activeElement, flex1);
    await focusNext();
    assert_equals(document.activeElement, flex2);
    await focusNext();
    assert_equals(document.activeElement, flex3);
    await focusNext();
    assert_equals(document.activeElement, flex4);
  }, "Column #3");
</script>
