magento-test/app/code/Magento/User/Test/Mftf/ActionGroup/AdminUnlockAdminUserEntityOnGridActionGroup.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="AdminUnlockAdminUserEntityOnGridActionGroup">
        <arguments>
            <argument name="option" type="string"/>
        </arguments>
        <click selector="{{AdminLockedUsersGridSection.searchResultFirstRow}}" stepKey="selectUserEntity" />
        <selectOption selector="{{AdminLockedUsersGridSection.massActions}}" userInput="{{option}}" stepKey="selectOption"/>
        <click selector="{{AdminLockedUsersGridSection.submitButton}}" stepKey="clickSubmitButton" />
        <waitForPageLoad stepKey="waitForGridToLoad"/>
    </actionGroup>
</actionGroups>