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chromium/third_party/blink/web_tests/http/tests/filesystem/script-tests/TEMPLATE.html 

<html>
<head>
<script src="/js-test-resources/js-test.js"></script>
<script src="resources/fs-test-util.js"></script>
</head>
<body>
<p id="description"></p>
<div id="console"></div>
<script src="YOUR_JS_FILE_HERE"></script>
</body>
</html>