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Test Info: Warnings

<html class="reftest-wait">
<head>
<style>
div {
width:10px;
height:10px;
background-color:green;
display: inline-block;
position: relative;
}
#wrapper {
opacity: 0.5;
width: 200px;
height: 200px;
background-color: transparent;
}
#first {
z-index: 1;
}
</style>
<script>
function doTest2() {
var elem = document.getElementById("second");
elem.style.backgroundColor = "blue";
}
function doTest() {
var elem = document.getElementById("third");
elem.parentNode.removeChild(elem);
document.documentElement.removeAttribute("class");
requestAnimationFrame(doTest2);
}
window.addEventListener("MozReftestInvalidate", doTest);
</script>
</head>
<body id="body">
<div id="wrapper">
<div id="first" class="reftest-no-display-list"></div><div id="second"></div><div id="third"></div>
</div>
</body>
</html>