magento-test/app/code/Magento/User/Test/Mftf/ActionGroup/AssertAdminImpossibleDeleteYourOwnAccountActionGroup.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="AssertAdminImpossibleDeleteYourOwnAccountActionGroup">
        <arguments>
            <argument name="currentAdminPassword" type="string" defaultValue="{{_ENV.MAGENTO_ADMIN_PASSWORD}}"/>
        </arguments>
        <fillField selector="{{AdminEditUserSection.currentPasswordField}}" userInput="{{currentAdminPassword}}" stepKey="enterThePassword" />
        <click selector="{{AdminMainActionsSection.delete}}" stepKey="deleteUser"/>
        <waitForElementVisible selector="{{AdminConfirmationModalSection.message}}" stepKey="waitForConfirmModal"/>
        <click selector="{{AdminConfirmationModalSection.ok}}" stepKey="confirmDelete"/>
        <waitForElementVisible selector="{{AdminMessagesSection.error}}" stepKey="waitErrorMessage"/>
        <see selector="{{AdminMessagesSection.error}}" userInput="You cannot delete your own account." stepKey="seeErrorMessage"/>
    </actionGroup>
</actionGroups>