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<!doctype html>
<body>
</body>
<script>
var searchParams = new URL(location).searchParams;
var test = searchParams.get("test");
var portal = document.createElement("portal");
portal.src = `portals-adopt-predecessor-portal.html?test=${test}`;
portal.onload = () => {
portal.activate().then(() => {
window.addEventListener("portalactivate", e => {
window.opener.postMessage({test, message: "passed"}, "*");
});
window.portalHost.addEventListener("message", e => {
window.opener.postMessage({test, message: e.data}, "*");
});
});
}
document.body.appendChild(portal);
</script>