chromium/third_party/blink/web_tests/fast/dom/shadow/new-fallback-expected.html

<!DOCTYPE html>
<html>
<head>
<script src="resources/shadow-dom.js"></script>
</head>
<body>
<div id="sandbox">
  <div>
    fallback
  </div>
</div>
</script>
</body>
</html>