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<!DOCTYPE html>
<html class=reftest-wait>
<script src="/resources/testdriver.js"></script>
<script src="/resources/testdriver-vendor.js"></script>
<select>
<option>option</option>
</select>
<script>
(async () => {
await test_driver.click(document.querySelector('select'));
await new Promise(requestAnimationFrame);
document.documentElement.classList.remove('reftest-wait');
})();
</script>