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Test Info:

<!DOCTYPE HTML>
<html class="reftest-wait">
<head>
<style>
div {
width: 200px;
height: 200px;
}
#one {
background-color: green;
visibility: hidden;
}
#two {
background-color: red;
}
#three {
position: absolute;
width: 500px;
height: 500px;
top: 0px;
background-color: rgba(0,0,255,0.2);
}
</style>
</head>
<body>
<div id="one"></div>
<div id="two"></div>
<div id="three"></div>
<script>
function doTest2() {
document.getElementById("three").style.backgroundColor = "rgba(255,0,255,0.2)";
document.documentElement.removeAttribute('class');
}
function doTest() {
document.getElementById("one").style.visibility = "visible";
window.requestAnimationFrame(function() { window.requestAnimationFrame(doTest2); });
}
window.addEventListener("MozReftestInvalidate", doTest);
</script>
</body>
</html>