magento-test/app/code/Magento/Checkout/Test/Mftf/ActionGroup/AssertStorefrontShippingLabelDescriptionInOrderSummaryActionGroup.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="AssertStorefrontShippingLabelDescriptionInOrderSummaryActionGroup">
        <annotations>
            <description>Validates that the Shipping label description is present and correct.</description>
        </annotations>

        <arguments>
            <argument name="labelDescription" type="string"/>
        </arguments>
        <waitForElementVisible selector="{{CheckoutOrderSummarySection.orderSummaryShippingTotalLabelDescription}}" time="30" stepKey="waitForElement"/>
        <see selector="{{CheckoutOrderSummarySection.orderSummaryShippingTotalLabelDescription}}" userInput="{{labelDescription}}" stepKey="seeShippingMethodLabelDescription"/>
    </actionGroup>
</actionGroups>