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diff --git a/layout/reftests/display-list/1443027-3.html b/layout/reftests/display-list/1443027-3.html
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+<!DOCTYPE html>
+<html lang="en" class="reftest-wait"><head>
+<meta http-equiv="content-type" content="text/html; charset=UTF-8"><meta charset="utf-8">
+<title>Bug 1443027 - Test merging across multiple paints</title>
+
+<style>
+
+body { opacity: 0.9; }
+
+div {
+  position: absolute;
+}
+
+#A {
+  left: 250px;
+  top: 50px;
+  width: 100px;
+  height: 100px;
+  background-color: red;
+}
+
+#B {
+  left: 200px;
+  top: 0px;
+  width: 100px;
+  height: 100px;
+  background-color: yellow;
+}
+
+#C {
+  left: 0px;
+  top: 0px;
+  width: 100px;
+  height: 100px;
+  background-color: green;
+}
+
+#D {
+  left: 80px;
+  top: 20px;
+  width: 140px;
+  height: 100px;
+  background-color: blue;
+}
+
+</style>
+</head>
+<body>
+<div id="A"></div>
+<div id="B"></div>
+<div id="D"></div>
+<div id="C"></div>
+
+<script>
+
+var A = document.getElementById("A");
+var B = document.getElementById("B");
+var C = document.getElementById("C");
+var D = document.getElementById("D");
+
+A.style.visibility = "hidden";
+B.style.visibility = "hidden";
+C.style.visibility = "hidden";
+D.style.visibility = "hidden";
+
+window.addEventListener("MozReftestInvalidate", step1);
+
+function step1() {
+  A.style.visibility = "visible";
+  A.style.transform = "translatez(1px)";
+
+  window.requestAnimationFrame(function() { window.requestAnimationFrame(step2); });
+}
+
+function step2() {
+  C.style.visibility = "visible";
+  C.style.transform = "translatez(1px)";
+  D.style.visibility = "visible";
+  D.style.transform = "translatez(1px)";
+
+  window.requestAnimationFrame(step3);
+}
+
+function step3() {
+  B.style.visibility = "visible";
+  B.style.transform = "translatez(1px)";
+  document.documentElement.removeAttribute('class');
+}
+
+</script>
+</body></html>