magento-test/app/code/Magento/Sales/Test/Mftf/ActionGroup/AdminSelectFlatRateShippingMethodOnCreateOrderPageActionGroup.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="AdminSelectFlatRateShippingMethodOnCreateOrderPageActionGroup" extends="AdminSelectFlatRateShippingMethodActionGroup">
        <annotations>
            <description>Clicks the Get shipping methods and rates link if it is displayed and Selects the Flat Rate Shipping Method</description>
        </annotations>
        <remove keyForRemoval="openShippingMethod"/>
        <conditionalClick selector="{{AdminInvoicePaymentShippingSection.getShippingMethodAndRates}}" dependentSelector="{{AdminInvoicePaymentShippingSection.getShippingMethodAndRates}}" visible="true" stepKey="openShippingMethodIfCollapsed" before="waitForShippingMethods"/>
    </actionGroup>
</actionGroups>