<html class="reftest-wait">
<head>
<style>
div#blurred {
	box-shadow: 0 0 50px 0 #000;
	position: absolute;
	width: 100px;
	height: 100px;
	top: 30px;
	left: 30px;

	border-radius: 40px;
}
</style>
</head>
<body>
<div id="blurred"></div>
<script>
function doTest() {
	var div = document.getElementById("blurred");
	div.style.left = '60px';
	document.documentElement.removeAttribute("class");
}
document.addEventListener("MozReftestInvalidate", doTest, false);
</script>
</body>
</html>