magento-test/app/code/Magento/MediaGalleryUi/Test/Mftf/Section/AdminConfigSystemSection.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="AdminConfigSystemSection">
        <element name="enhancedMediaGalleryFieldset" type="block" selector="#system_media_gallery-head"/>
        <element name="enhancedMediaGalleryEnabledField" type="select" selector="[data-ui-id='select-groups-media-gallery-fields-enabled-value']"/>
        <element name="mediaGalleryRenditionsFieldset" type="block" selector="#system_media_gallery_renditions-head"/>
        <element name="mediaGalleryRenditionsEnabledField" type="select" selector="[data-ui-id='select-groups-media-gallery-renditions-fields-enabled-value']"/>
        <element name="saveConfig" type="button" selector="#save"/>
    </section>
</sections>