chromium/third_party/blink/web_tests/compositing/reflections/empty-reflection-with-mask.html

<!DOCTYPE html>

<!-- this test should render a blank page -->

<html>
<head>
	<style>
		div {
			width: 500px;
			height: 500px;
			will-change:transform;
      -webkit-box-reflect: below 0 linear-gradient(transparent, rgba(255, 255, 255, 1.0));
		}
	</style>
	<script type="text/javascript" charset="utf-8">
		if (window.testRunner)
			testRunner.dumpAsText();
	</script>
</head>
<body>
	<div></div>
</body>
</html>