magento-test/app/code/Magento/Cms/Test/Mftf/Section/CmsNewPagePageContentSection/CmsNewPagePageContentSection.xml

<?xml version="1.0" encoding="UTF-8"?>
<!--
 /**
  * Copyright © Magento, Inc. All rights reserved.
  * See COPYING.txt for license details.
  */
-->
<sections xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
	xsi:noNamespaceSchemaLocation="urn:magento:mftf:Page/etc/SectionObject.xsd">
    <section name="CmsNewPagePageContentSection">
        <element name="header" type="button" selector="div[data-index=content]"/>
        <element name="contentHeading" type="input" selector="input[name=content_heading]"/>
        <element name="content" type="input" selector="#cms_page_form_content"/>
    </section>
</sections>