magento-test/app/code/Magento/Customer/Test/Mftf/ActionGroup/CreateCustomerOrderActionGroup.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="CreateCustomerOrderActionGroup">
        <annotations>
            <description>Create Order via API assigned to Customer.</description>
        </annotations>

        <createData entity="CustomerCart" stepKey="CustomerCart">
            <requiredEntity createDataKey="Customer"/>
        </createData>

        <createData entity="CustomerCartItem" stepKey="addCartItem">
            <requiredEntity createDataKey="CustomerCart"/>
            <requiredEntity createDataKey="Product"/>
        </createData>

        <createData entity="CustomerAddressInformation" stepKey="addCustomerOrderAddress">
            <requiredEntity createDataKey="CustomerCart"/>
        </createData>

        <updateData createDataKey="CustomerCart" entity="CustomerOrderPaymentMethod" stepKey="sendCustomerPaymentInformation">
            <requiredEntity createDataKey="CustomerCart"/>
        </updateData>

    </actionGroup>
</actionGroups>