<!DOCTYPE HTML>
<html class="reftest-wait">
<body>
<div id="d" style="margin-top:100px;">
<div style="background:yellow; width:100px; height:100px; position:absolute; top:0; left:0"></div>
</div>
<script>
function doTest() {
document.getElementById("d").style.position = "relative";
document.documentElement.removeAttribute("class");
}
window.addEventListener("MozReftestInvalidate", doTest, false);
</script>
</body>
</html>