magento-test/app/code/Magento/Config/Test/Mftf/ActionGroup/EnabledWYSIWYGEditorActionGroup.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="EnabledWYSIWYGEditorActionGroup">
        <annotations>
            <description>Goes to the 'Configuration' page for 'Content Management'. Sets 'Enable WYSIWYG Editor' to 'Enabled by Default'. Clicks on the Save button. PLEASE NOTE: The value is Hardcoded.</description>
        </annotations>

        <amOnPage url="{{AdminContentManagementPage.url}}" stepKey="navigateToConfigurationPage"/>
        <waitForPageLoad stepKey="waitForPageLoad"/>
        <conditionalClick selector="{{ContentManagementSection.WYSIWYGOptions}}" dependentSelector="{{ContentManagementSection.EnableWYSIWYG}}" visible="false" stepKey="expandWYSIWYGOptionsTab"/>
        <waitForElementVisible selector="{{ContentManagementSection.EnableWYSIWYG}}" stepKey="waitTabToExpand"/>
        <uncheckOption selector="{{ContentManagementSection.EnableSystemValue}}" stepKey="enableEnableSystemValue"/>
        <selectOption selector="{{ContentManagementSection.EnableWYSIWYG}}" userInput="Enabled by Default" stepKey="enableWYSIWYG"/>
        <click selector="{{ContentManagementSection.WYSIWYGOptions}}" stepKey="collapseWYSIWYGOptionsTab"/>
        <click selector="{{ContentManagementSection.Save}}" stepKey="clickSaveConfig"/>
        <see stepKey="seeSuccess" selector="{{AdminCategoryMessagesSection.SuccessMessage}}" userInput="You saved the configuration."/>
    </actionGroup>
</actionGroups>