chromium/third_party/blink/web_tests/external/wpt/html/semantics/forms/the-selectlist-element/selectlist-disabled.tentative.html

<!DOCTYPE html>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="/resources/testdriver.js"></script>
<script src="/resources/testdriver-actions.js"></script>
<script src="/resources/testdriver-vendor.js"></script>

<script>
focused_element_id = null;

function OnFocus(event) {
  focused_element_id = event.target.id;
}
</script>

<selectlist id="selectlist" onfocus="OnFocus(event)" disabled>
  <option>one</option>
  <option>two</option>
  <option>three</option>
</selectlist>

<script>
promise_test(async () => {
  const selectlist = document.getElementById("selectlist");
  selectlist.focus();
  assert_equals(focused_element_id, null);
}, "Check that disabled <selectlist> cannot be focused");
</script>