header-parsing-non-ascii.https.html

<!doctype html>
<meta charset=utf-8>
<script src=/resources/testharness.js></script>
<script src=/resources/testharnessreport.js></script>
<script src="/common/dispatcher/dispatcher.js"></script>
<script src="/common/get-host-info.sub.js"></script>
<script src="/common/utils.js"></script>
<script src="resources/common.js"></script>
<script src="resources/popup-test.js"></script>
<script>
  popup_test(
    `Simple document with non-ascii COOP header opening a same-origin popup`,
    SAME_ORIGIN,
    "unsafe-none",
    "preserved");
</script>

chromium/third_party/blink/web_tests/external/wpt/html/cross-origin-opener-policy/header-parsing-non-ascii.https.html