mask-composite-missing-image-expected.html

<html>
<head>
<style>
.test {
  width: 220px;
  height: 220px;
}
</style>
</head>
<body>
  <div class="test"></div>
  <p>If the test passes, you should see nothing above, because we should not render masked content if the mask image fails to load.</p>
</body>
</html>

chromium/third_party/blink/web_tests/css3/masking/mask-composite-missing-image-expected.html