magento-test/app/code/Magento/Email/Test/Mftf/ActionGroup/DeleteEmailTemplateActionGroup.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="DeleteEmailTemplateActionGroup" extends="FindAndOpenEmailTemplateActionGroup">
        <annotations>
            <description>Clicks on Delete Template. Accepts the Popup. Validates that the Email Template is NOT present in the Email Templates Grid.</description>
        </annotations>
        <click selector="{{AdminEmailTemplateEditSection.deleteTemplateButton}}" after="checkTemplateName" stepKey="deleteTemplate"/>
        <waitForElementVisible selector="{{AdminEmailTemplateEditSection.acceptPopupButton}}" after="deleteTemplate" stepKey="waitForConfirmButton"/>
        <click selector="{{AdminEmailTemplateEditSection.acceptPopupButton}}" after="waitForConfirmButton" stepKey="acceptPopup"/>
        <waitForElementVisible selector="{{AdminMessagesSection.success}}" after="acceptPopup" stepKey="waitForSuccessMessage"/>
        <see selector="{{AdminMessagesSection.success}}" userInput="You deleted the email template." after="waitForSuccessMessage" stepKey="seeSuccessfulMessage"/>
    </actionGroup>
</actionGroups>