chromium/third_party/blink/web_tests/external/wpt/html/cross-origin-opener-policy/reporting/access-reporting/property-postmessage-2.https.html

<title> Check openee.postMessage(arg1) access is checked</title>
<script src=/resources/testharness.js></script>
<script src=/resources/testharnessreport.js></script>
<script src=/common/get-host-info.sub.js></script>
<script src="/common/utils.js"></script>
<script src="/common/dispatcher/dispatcher.js"></script>
<script src="/html/cross-origin-opener-policy/reporting/resources/reporting-common.js"></script>
<script src="/html/cross-origin-opener-policy/reporting/resources/test-access-property.js"></script>
<script>

testAccessProperty("postMessage", w => w.postMessage(""));

</script>