child_script.html | Explore in Territory

<!doctype html>
<script src="/resources/channel.sub.js"></script>
<div id="test">FAIL</div>
<script>
(async function() {
    await new Promise(resolve => onload = resolve);
    document.getElementById("test").textContent = "PASS";
    await start_global_channel();
})()
</script>

chromium/third_party/blink/web_tests/external/wpt/infrastructure/channels/child_script.html