magento-test/app/code/Magento/Customer/Test/Mftf/Section/AdminEditCustomerGroupSection.xml

<?xml version="1.0" encoding="UTF-8"?>
<!--
 /**
  * Copyright © Magento, Inc. All rights reserved.
  * See COPYING.txt for license details.
  */
-->

<sections xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
          xsi:noNamespaceSchemaLocation="urn:magento:mftf:Page/etc/SectionObject.xsd">
    <section name="AdminEditCustomerGroupSection">
        <element name="groupName" type="input" selector="#customer_group_code"/>
        <element name="taxClass" type="select" selector="#tax_class_id"/>
        <element name="saveCustomerGroup" type="button" selector="#save"/>
        <element name="resetBtn" type="button" selector="#reset"/>
        <element name="backBtn" type="button" selector="#back"/>
        <element name="excludeWebsite" type="multiselect" selector="#customer_group_excluded_website_ids"/>
        <element name="selectedExcludedWebsites" type="multiselect" selector="//select[@id='customer_group_excluded_website_ids']/option[contains(@selected, 'selected')]"/>
        <element name="deleteButton" type="button" selector=".page-actions-buttons button#delete"/>
    </section>
</sections>