chromium/third_party/blink/web_tests/external/wpt/html/interaction/focus/focusgroup/tentative/backward-navigation/vertical/does-not-ascend-out-of-non-extending-focusgroup.html

<!DOCTYPE html>
<meta charset="utf-8">
<title>HTML Test: focusgroup - Focus does not ascend out of current focusgroup if it does not extend the parent focusgroup.</title>
<link rel="author" title="Microsoft" href="http://www.microsoft.com/">
<link rel="help" href="https://open-ui.org/components/focusgroup.explainer/">
<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="../../resources/focusgroup-utils.js"></script>

<ul focusgroup=block>
  <li id=item1 tabindex="-1">
    <ul focusgroup=inline>
      <li id=item2 tabindex="-1">item2</li>
    </ul>
  </li>
</ul>

<script>

  promise_test(async t => {
    var item2 = document.getElementById("item2");

    await focusAndKeyPress(item2, kArrowUp);
    assert_equals(document.activeElement, item2);
  }, "When the focus is set on the first element of a non-extending focusgroup located inside another focusgroup, we should be able to ascend to that other focusgroup.");

</script>