AdminConfigPage.xml

<?xml version="1.0" encoding="utf-8"?>
<!--
 /**
  * Copyright © Magento, Inc. All rights reserved.
  * See COPYING.txt for license details.
  */
-->
<pages xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="../../../../../../../dev/tests/acceptance/vendor/magento/magento2-functional-testing-framework/src/Magento/FunctionalTestingFramework/Page/etc/PageObject.xsd">
    <page name="AdminConfigPage" url="admin/system_config/" area="admin" module="Magento_Config">
        <section name="AdminConfigSection"/>
    </page>
    <page name="AdminContentManagementPage" url="admin/system_config/edit/section/cms/" area="admin" module="Magento_Config">
        <section name="ContentManagementSection"/>
    </page>
    <page name="AdminSalesTaxClassPage" url="admin/system_config/edit/section/tax/" area="admin" module="Magento_Config">
        <section name="SalesTaxClassSection"/>
    </page>
</pages>