chromium/third_party/blink/web_tests/fast/forms/select/listbox-line-height-expected.html

<select multiple>
    <option>uno</option>
    <optgroup label=two>
        <option>dos</option>
    </optgroup>
    <option>tres</option>
    <option>cuatro</option>
    <option>cinco</option>
</select>