chromium/third_party/blink/web_tests/external/wpt/shared-storage/resources/select-url-permissions-policy-helper.html

<!doctype html>
<body>
  <script src="/resources/testharness.js"></script>
  <script src="/resources/testharnessreport.js"></script>
  <script src="/shared-storage/resources/util.js"></script>
  <script>
  'use strict';

  window.onload = async function() {
    await sharedStorage.worklet.addModule('/shared-storage/resources/simple-module.js');

    if (await IsSharedStorageSelectUrlAllowed()) {
      parent.postMessage({ type: 'availability-result', enabled: true }, '*');
      return;
    }

    parent.postMessage({ type: 'availability-result', enabled: false }, '*');
  }
  </script>
</body>