magento-test/app/code/Magento/User/Test/Mftf/ActionGroup/AdminUserOpenAdminRolesPageActionGroup.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="AdminUserOpenAdminRolesPageActionGroup">
        <annotations>
            <description>Navigate to User Role Grid</description>
        </annotations>
        <amOnPage url="{{AdminRolesPage.url}}" stepKey="navigateToUserRoleGrid" />
        <waitForPageLoad stepKey="waitForRolesGridLoad" />
    </actionGroup>
</actionGroups>