<!DOCTYPE html>
<html class="reftest-wait">
<link rel='stylesheet' type='text/css' href='style.css'>
<body onload="document.getElementById('o').setCustomValidity('foo');
document.documentElement.className = '';">
<form novalidate>
<output id='o' class='notinvalid'>foo</output>
</form>
</body>
</html>