magento-test/app/code/Magento/Customer/Test/Mftf/ActionGroup/AdminAssertCustomerGroupOnCustomerFormActionGroup.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="AdminAssertCustomerGroupOnCustomerForm">
        <arguments>
            <argument name="customerGroupName" type="string"/>
        </arguments>
        <amOnPage url="{{AdminNewCustomerPage.url}}" stepKey="amOnCustomerCreatePage"/>
        <waitForElementVisible selector="{{AdminCustomerAccountInformationSection.group}}" stepKey="waitForElementVisible"/>
        <see selector="{{AdminCustomerAccountInformationSection.group}}" userInput="{{customerGroupName}}" stepKey="assertCustomerGroupPresent"/>
    </actionGroup>
</actionGroups>