magento-test/app/code/Magento/Theme/Test/Mftf/Section/AdminThemeSection.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="AdminThemeSection">
        <!--All rows in a specific Column e.g. {{Section.rowsInColumn('columnName')}}-->
        <element name="allRowsInColumn" type="text" selector="//tr/td[contains(@class, '{{column}}')]" parameterized="true"/>
        <!--selector for Theme Title column since it needs to be handled separately-->
        <element name="rowsInThemeTitleColumn" type="text" selector="//tbody/tr/td[contains(@class, 'parent_theme')]/preceding-sibling::td"/>
        <element name="rowsInColumn" type="text" selector="//tbody/tr/td[contains(@class, '{{column}}')]" parameterized="true"/>
        <!--Specific cell e.g. {{Section.gridCell('Name')}}-->
        <element name="gridCell" type="text" selector="//table//div[contains(text(), '{{gridCellText}}')]" parameterized="true"/>
        <element name="gridCellUpdated" type="text" selector="//tbody//tr//div[contains(text(), '{{gridCellText}}')]" parameterized="true"/>
        <element name="columnHeader" type="text" selector="//thead/tr/th[contains(@class, 'data-grid-th')]/span[text() = '{{label}}']" parameterized="true" timeout="30"/>
        <element name="viewAction" type="button" selector="tr.data-row > td.data-grid-actions-cell > a.action-menu-item"/>
        <element name="viewActionByTheme" type="button" selector="//tr[contains(@class,'data-row')]//td[1]//div[@class='data-grid-cell-content' and text()='{{theme}}']//ancestor::tr//td[@class='data-grid-actions-cell']/a[@class='action-menu-item']" parameterized="true"/>
    </section>
</sections>