<!DOCTYPE html>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="/common/utils.js"></script>
<link rel="prefetch" href="/xhr/resources/delay.py?ms=100000">
<body>
<script>

promise_test(() => new Promise(resolve => window.addEventListener("load", resolve)),
    "Prefetch should not block the load event");

</script>
</body>