magento-test/app/code/Magento/Checkout/Test/Mftf/ActionGroup/CheckBillingAddressInCheckoutWithBillingAddressOnPaymentPageActionGroup.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="CheckBillingAddressInCheckoutWithBillingAddressOnPaymentPageActionGroup">
        <annotations>
            <description>Validates that the provided Customer and Address details appear on the Storefront Checkout page under the 'Billing Address' section.</description>
        </annotations>
        <arguments>
            <argument name="customerVar"/>
            <argument name="customerAddressVar"/>
        </arguments>

        <waitForPageLoad stepKey="waitForPageLoad"/>
        <waitForElement selector="{{CheckoutPaymentSection.paymentSectionTitle}}" time="30" stepKey="waitForPaymentSectionLoaded"/>
        <see userInput="{{customerVar.firstName}}" selector="{{CheckoutPaymentWithDisplayBillingAddressOnPaymentPageSection.billingAddressDetails}}" stepKey="assertBillingAddressDetailsFirstName"/>
        <see userInput="{{customerVar.lastName}}" selector="{{CheckoutPaymentWithDisplayBillingAddressOnPaymentPageSection.billingAddressDetails}}" stepKey="assertBillingAddressDetailsLastName"/>
        <see userInput="{{customerAddressVar.street[0]}}" selector="{{CheckoutPaymentWithDisplayBillingAddressOnPaymentPageSection.billingAddressDetails}}" stepKey="assertBillingAddressDetailsStreet"/>
        <see userInput="{{customerAddressVar.city}}" selector="{{CheckoutPaymentWithDisplayBillingAddressOnPaymentPageSection.billingAddressDetails}}" stepKey="assertBillingAddressDetailsCity"/>
        <see userInput="{{customerAddressVar.state}}" selector="{{CheckoutPaymentWithDisplayBillingAddressOnPaymentPageSection.billingAddressDetails}}" stepKey="assertBillingAddressDetailsState"/>
        <see userInput="{{customerAddressVar.postcode}}" selector="{{CheckoutPaymentWithDisplayBillingAddressOnPaymentPageSection.billingAddressDetails}}" stepKey="assertBillingAddressDetailsPostcode"/>
        <see userInput="{{customerAddressVar.telephone}}" selector="{{CheckoutPaymentWithDisplayBillingAddressOnPaymentPageSection.billingAddressDetails}}" stepKey="assertBillingAddressDetailsTelephone"/>
    </actionGroup>
</actionGroups>