magento-test/app/code/Magento/Customer/Test/Mftf/ActionGroup/AdminGridCustomerGroupEditByCodeActionGroup.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="AdminGridCustomerGroupEditByCodeActionGroup">
        <arguments>
            <argument name="customerGroupCode" type="string"/>
        </arguments>

        <click selector="{{AdminCustomerGroupMainSection.editButtonByCustomerGroupCode(customerGroupCode)}}" stepKey="clickOnEditCustomerGroup" />
    </actionGroup>
</actionGroups>