AdminEmailTemplatePage.xml

<?xml version="1.0" encoding="UTF-8"?>
<!--
 /**
  * Copyright © Magento, Inc. All rights reserved.
  * See COPYING.txt for license details.
  */
-->

<pages xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
        xsi:noNamespaceSchemaLocation="urn:magento:mftf:/Page/etc/PageObject.xsd">
    <page name="AdminEmailTemplatePage" url="/admin/email_template/" area="admin" module="Email">
        <section name="AdminEmailTemplatePageActionSection"/>
    </page>
</pages>