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chromium/third_party/blink/web_tests/external/wpt/html/semantics/forms/the-input-element/range-option-add-repaint.html 

<!doctype html>
<html class=reftest-wait>
<title>The range is repainted if an option is added to the range's list</title>
<link rel=help href="https://bugzilla.mozilla.org/show_bug.cgi?id=1805105">
<link rel=author href="mailto:[email protected]" title="Zach Hoffman">
<link rel=match href=range-tick-marks-05-ref.html>
<script src=/common/reftest-wait.js></script>
<input type=range step=3 value=1 min=-5 max=5 list=tickmarks>
<datalist id=tickmarks>
  <option value=4></option>
</datalist>
<script>
  requestAnimationFrame(() =>
    requestAnimationFrame(() => {
      const dataList = document.querySelector("datalist");
      const toAdd = document.createElement("option");
      toAdd.value = -2;
      dataList.appendChild(toAdd);
      takeScreenshot();
    }));
</script>