magento-test/app/code/Magento/Sales/Test/Mftf/ActionGroup/AdminStartCreateCreditMemoFromOrderPageActionGroup.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="AdminStartCreateCreditMemoFromOrderPageActionGroup">
        <annotations>
            <description>Start to create Credit Memo from order page</description>
        </annotations>
        <click selector="{{AdminOrderDetailsMainActionsSection.creditMemo}}" stepKey="clickCreditMemoButton"/>
        <conditionalClick selector="{{AdminConfirmationModalSection.ok}}" dependentSelector="{{AdminConfirmationModalSection.ok}}"
                          visible="true" stepKey="acceptModal"/>
        <waitForPageLoad time="30" stepKey="waitPageLoaded"/>
        <seeInCurrentUrl url="{{AdminCreditMemoNewPage.url}}" stepKey="seeNewCreditMemoUrl"/>
        <see selector="{{AdminHeaderSection.pageTitle}}" userInput="New Memo" stepKey="seeNewCreditMemoPageTitle"/>
    </actionGroup>
</actionGroups>