magento-test/app/code/Magento/Email/Test/Mftf/ActionGroup/PrepareDraftCustomTemplateActionGroup.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="PrepareDraftCustomTemplateActionGroup" extends="CreateNewTemplateActionGroup">
        <arguments>
            <argument name="template" defaultValue="EmailTemplate"/>
        </arguments>
        <remove keyForRemoval="selectValueFromTemplateDropDown"/>
        <remove keyForRemoval="clickLoadTemplateButton"/>
        <remove keyForRemoval="clickSaveTemplateButton"/>
        <remove keyForRemoval="waitForSuccessMessage"/>
        <remove keyForRemoval="seeSuccessMessage"/>

        <fillField selector="{{AdminEmailTemplateEditSection.templateSubject}}" userInput="{{template.templateSubject}}" after="fillTemplateNameField" stepKey="fillTemplateSubject"/>
        <fillField selector="{{AdminEmailTemplateEditSection.templateText}}" userInput="{{template.templateText}}" after="fillTemplateSubject" stepKey="fillTemplateText"/>
    </actionGroup>

</actionGroups>