magento-test/app/code/Magento/Checkout/Test/Mftf/ActionGroup/CheckOrderSummaryInCheckoutActionGroup.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="CheckOrderSummaryInCheckoutActionGroup">
        <annotations>
            <description>Validates that the provided Subtotal, Shipping Total, Shipping Method and Total are present and correct on the Storefront Checkout page under the 'Order Summary' section.</description>
        </annotations>
        <arguments>
            <argument name="subtotal" type="string"/>
            <argument name="shippingTotal" type="string"/>
            <argument name="shippingMethod" type="string"/>
            <argument name="total" type="string"/>
        </arguments>

        <waitForElement selector="{{CheckoutPaymentSection.paymentSectionTitle}}" time="30" stepKey="waitForPaymentSectionLoaded"/>
        <see userInput="{{subtotal}}" selector="{{CheckoutPaymentSection.orderSummarySubtotal}}" stepKey="assertSubtotal"/>
        <see userInput="{{shippingTotal}}" selector="{{CheckoutPaymentSection.orderSummaryShippingTotal}}" stepKey="assertShipping"/>
        <see userInput="{{shippingMethod}}" selector="{{CheckoutPaymentSection.orderSummaryShippingMethod}}" stepKey="assertShippingMethod"/>
        <see userInput="{{total}}" selector="{{CheckoutPaymentSection.orderSummaryTotal}}" stepKey="assertTotal"/>
    </actionGroup>
</actionGroups>