magento-test/app/code/Magento/Sales/Test/Mftf/Section/AdminCreditMemoViewTotalSection.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="AdminCreditMemoViewTotalSection">
        <element name="subtotal" type="text" selector="//td[contains(text(), 'Subtotal')]/following-sibling::td//span[@class='price']"/>
        <element name="adjustmentRefund" type="text" selector="//td[contains(text(), 'Adjustment Refund')]/following-sibling::td//span[@class='price']"/>
        <element name="adjustmentFee" type="text" selector="//td[contains(text(), 'Adjustment Fee')]/following-sibling::td//span[@class='price']"/>
        <element name="grandTotal" type="text" selector=".order-subtotal-table tfoot tr.col-0>td span.price"/>
    </section>
</sections>