magento-test/app/code/Magento/Security/etc/events.xml

<?xml version="1.0"?>
<!--
/**
 * Copyright © Magento, Inc. All rights reserved.
 * See COPYING.txt for license details.
 */
-->
<config xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
        xsi:noNamespaceSchemaLocation="urn:magento:framework:Event/etc/events.xsd">
    <event name="admin_user_save_after">
        <observer name="add_user_expiration" instance="Magento\Security\Observer\AfterAdminUserSave"/>
    </event>
    <event name="admin_user_authenticate_before">
        <observer name="check_user_expiration" instance="Magento\Security\Observer\AdminUserAuthenticateBefore"/>
    </event>
</config>