magento-test/app/code/Magento/Sales/Test/Mftf/ActionGroup/StorefrontOrderActionGroupActionGroup.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">
    <!--Fill order information fields and click continue-->
    <actionGroup name="StorefrontSearchGuestOrderActionGroup">
        <annotations>
            <description>Goes to the Storefront Customer Orders and Returns page. Fills in the provided Order ID, Billing Last Name and Email. Clicks on Continue. Validates that the URL is correct.</description>
        </annotations>
        <arguments>
            <argument name="orderId" type="string"/>
            <argument name="orderLastName" type="string"/>
            <argument name="orderEmail" type="string"/>
        </arguments>

        <amOnPage url="{{StorefrontOrdersAndReturnsPage.url}}" stepKey="navigateToOrderAndReturnPage"/>
        <waitForPageLoad stepKey="waitForPageLoad"/>
        <fillField selector="{{StorefrontOrderAndReturnInformationSection.orderId}}" userInput="{{orderId}}" stepKey="fillOrderId"/>
        <fillField selector="{{StorefrontOrderAndReturnInformationSection.bilingLastName}}" userInput="{{orderLastName}}" stepKey="fillBillingLastName"/>
        <fillField selector="{{StorefrontOrderAndReturnInformationSection.email}}" userInput="{{orderEmail}}" stepKey="fillEmail"/>
        <click selector="{{StorefrontOrderAndReturnInformationSection.continueButton}}" stepKey="clickContinue"/>
        <waitForPageLoad stepKey="waitForOrderInformationPageLoad"/>
        <seeInCurrentUrl url="{{StorefrontOrderInformationPage.url}}" stepKey="seeOrderInformationUrl"/>
    </actionGroup>
</actionGroups>