ayloadContent</key>
      <array>
        <dict>
          <key id="target2">FullScreen</key>
          <true/>
        </dict>
      </array>
    </dict>
  </plist>
  `;
  const xmlDocument = new DOMParser().parseFromString(data, "application/xml");
  const rootCollection = xmlDocument.querySelector(":root > dict");
  const keysInRootCollection = rootCollection.querySelectorAll(":scope > key");
  assert_equals(keysInRootCollection.item(0), xmlDocument.getElementById("target1"), "first item");
  const subCo