magento-test/app/code/Magento/Checkout/Test/Mftf/ActionGroup/AdminOpenSalesCheckoutConfigPageActionGroup.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="AdminOpenSalesCheckoutConfigPageActionGroup">
        <annotations>
            <description>Goes to the Store Configuration > Sales > Checkout configuration page in admin.</description>
        </annotations>
        <arguments>
            <argument name="tabGroupAnchor" type="string" defaultValue=""/>
        </arguments>
        <amOnPage url="{{AdminCheckoutConfigPage.url(tabGroupAnchor)}}" stepKey="openCheckoutConfigPage"/>
        <waitForPageLoad stepKey="waitForCheckoutConfigPageLoad"/>
    </actionGroup>
</actionGroups>