mozilla-release/testing/web-platform/tests/beacon/beacon-basic-blob.html

<!DOCTYPE html>
<html>
<head>
    <title>W3C Beacon Basic Blob Test</title>
    <meta name="timeout" content="long">
    <meta name="author" title="Microsoft Edge" href="https://www.microsoft.com">
    <script src="/resources/testharness.js"></script>
    <script src="/resources/testharnessreport.js"></script>
</head>
<body>
    <script src="/common/utils.js"></script>
    <script src="beacon-common.sub.js"></script>
    <script>
        "use strict";
        runTests(blobTests);
    </script>
</body>
</html>