partitioned_cookie.html | Explore in Territory

<html>
<head>
<script>
function setCookie() {
  document.cookie = '__Host-name=partitioned; Secure; Path=/; SameSite=None; Partitioned;';
}
</script>
</head>
<body onload="setCookie();">
</body>
</html>

chromium/chrome/test/data/partitioned_cookie.html