magento-test/app/code/Magento/Theme/Test/Mftf/Section/AdminThemeSettingsSection.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="AdminThemeSettingsSection">
        <element name="themePath" type="text" selector=".field-theme_path"/>
        <element name="themeTitle" type="text" selector=".field-theme_title"/>
        <element name="themePreviewImage" type="text" selector="//div[contains(@class, 'field-preview_image')]//label//span[contains(text(), 'Theme Preview Image')]"/>
    </section>
</sections>