magento-test/app/code/Magento/Quote/Test/Mftf/Data/CustomerCartData.xml

<?xml version="1.0" encoding="UTF-8"?>
<!--
 /**
  * Copyright © Magento, Inc. All rights reserved.
  * See COPYING.txt for license details.
  */
-->

<entities xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="urn:magento:mftf:DataGenerator/etc/dataProfileSchema.xsd">
    <entity name="CustomerCart" type="CustomerCart">
        <var key="customer_id" entityType="customer" entityKey="id"/>
    </entity>

    <entity name="CustomerAddressInformation" type="CustomerAddressInformation">
        <var key="cart_id" entityKey="return" entityType="CustomerCart"/>
        <requiredEntity type="shipping_address">ShippingAddressTX</requiredEntity>
        <requiredEntity type="billing_address">BillingAddressTX</requiredEntity>
        <data key="shipping_method_code">flatrate</data>
        <data key="shipping_carrier_code">flatrate</data>
    </entity>

    <entity name="CustomerOrderPaymentMethod" type="CustomerPaymentInformation">
        <var key="cart_id" entityKey="return" entityType="CustomerCart"/>
        <requiredEntity type="payment_method">PaymentMethodCheckMoneyOrder</requiredEntity>
        <requiredEntity type="billing_address">BillingAddressTX</requiredEntity>
    </entity>

    <entity name="CashOnDeliveryOrderPaymentMethod" type="CustomerPaymentInformation">
        <var key="cart_id" entityKey="return" entityType="CustomerCart"/>
        <requiredEntity type="payment_method">CashOnDeliveryPaymentMethod</requiredEntity>
        <requiredEntity type="billing_address">BillingAddressTX</requiredEntity>
    </entity>

    <entity name="GetOrderData" type="CustomerCart">
        <var key="cart_id" entityKey="return" entityType="CustomerCart"/>
    </entity>

</entities>