<!DOCTYPE html>
<div style="columns:1;">
<form style="columns:1;">
<table style="column-span: all;">
<thead style="break-inside: avoid;"></thead>
</table>
</form>
</div>
<script src="../../../resources/testharness.js"></script>
<script src="../../../resources/testharnessreport.js"></script>
<script>
test(() => { }, "No crash or assertion failure.");
</script>