chromium/third_party/blink/web_tests/compositing/background-color/background-color-text-change-expected.html

<!DOCTYPE>
<html>
<head>
<style>
    #background {
        width: 200px;
        height: 200px;
        background-color: green;
    }
</style>
</head>
<body>
<!-- When the test is done, there should only be a green square on the page -->
<div id="background"></div>
</body>
</html>