magento-test/app/code/Magento/Cms/Test/Mftf/ActionGroup/DeleteImageActionGroup.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="DeleteImageActionGroup">
        <annotations>
            <description>Deletes the selected Image from the Media Gallery.</description>
        </annotations>

        <see selector="{{MediaGallerySection.DeleteSelectedBtn}}" userInput="Delete Selected" stepKey="seeDeleteBtn"/>
        <click selector="{{MediaGallerySection.DeleteSelectedBtn}}" stepKey="clickDeleteSelected"/>
        <waitForText userInput="OK" stepKey="waitForConfirm"/>
        <click selector="{{MediaGallerySection.confirmDelete}}" stepKey="confirmDelete"/>
        <waitForElementNotVisible selector="{{MediaGallerySection.image(ImageUpload.file)}}" stepKey="waitForImageDeleted"/>
        <dontSeeElement selector="{{MediaGallerySection.image(ImageUpload.file)}}" stepKey="dontSeeImage"/>
    </actionGroup>
</actionGroups>