magento-test/app/code/Magento/Review/Test/Mftf/ActionGroup/AdminAssertClassElementRelativeIdActionGroup.xml

<?xml version="1.0" encoding="UTF-8"?>
<!--
 /**
  * Copyright © Magento, Inc. All rights reserved.
  * See COPYING.txt for license details.
  */
-->
<actionGroups xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"  xsi:noNamespaceSchemaLocation="urn:magento:mftf:Test/etc/actionGroupSchema.xsd">
    <actionGroup name="AdminAssertClassElementRelativeIdActionGroup">
        <arguments>
            <argument name="elementId" type="string" defaultValue="{{AdminMenuSection.marketing}}"/>
            <argument name="expectClass" type="string" defaultValue="{{AdminMenuUserContentPendingReviews.activeClass}}" />
        </arguments>

        <grabAttributeFrom selector="{{elementId}}" userInput="class" stepKey="grabClass"/>
        <assertStringContainsString stepKey="assertClass">
            <actualResult type="string">{$grabClass}</actualResult>
            <expectedResult type="string">{{expectClass}}</expectedResult>
        </assertStringContainsString>
    </actionGroup>
</actionGroups>