magento-test/app/code/Magento/Sales/Test/Mftf/Section/StorefrontOrderDetailsSection.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="StorefrontOrderDetailsSection">
        <element name="orderDateTagElement" type="block" selector=".order-date date"/>
        <element name="orderDetailsBlock" type="block" selector=".block-order-details-view"/>
        <element name="billingAddressBlock" type="block" selector=".box-order-billing-address > .box-content > address"/>
        <element name="discountSalesRule" type="text" selector="tr.discount span.price"/>
        <element name="shippingTotalDescription" type="text" selector="#my-orders-table tr.shipping th.mark"/>
        <element name="tax" type="text" selector=".totals-tax .price"/>
        <element name="grandTotalIncludingTax" type="text" selector=".grand_total_incl .amount"/>
        <element name="grandTotalPrice" type="text" selector="tr.grand_total span.price"/>
        <element name="paymentMethod" type="text" selector=".box-order-billing-method dt.title"/>
        <element name="shippingMethod" type="text" selector=".box-order-shipping-method div.box-content"/>
        <element name="productNameCell" type="text" selector="//*[contains(@class, 'product-item-name')]"/>
        <element name="shippingAddressBlock" type="block" selector=".block-order-details-view .box-order-shipping-address .box-content"/>
    </section>
</sections>