magento-test/app/code/Magento/Sales/Test/Mftf/ActionGroup/CancelPendingOrderActionGroup.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="CancelPendingOrderActionGroup">
        <annotations>
            <description>Cancels the Pending Order on the Admin Orders view page. Validates that the provided Order Status is present and correct.</description>
        </annotations>
        <arguments>
            <argument name="orderStatus" type="string" defaultValue="Canceled"/>
        </arguments>

        <click selector="{{AdminOrderDetailsMainActionsSection.cancel}}" stepKey="clickCancelOrder"/>
        <waitForElement selector="{{AdminConfirmationModalSection.message}}" stepKey="waitForCancelConfirmation"/>
        <see selector="{{AdminConfirmationModalSection.message}}" userInput="Are you sure you want to cancel this order?" stepKey="seeConfirmationMessage"/>
        <click selector="{{AdminConfirmationModalSection.ok}}" stepKey="confirmOrderCancel"/>
        <see selector="{{AdminMessagesSection.success}}" userInput="You canceled the order." stepKey="seeCancelSuccessMessage"/>
        <see selector="{{AdminOrderDetailsInformationSection.orderStatus}}" userInput="{{orderStatus}}" stepKey="seeOrderStatusCanceled"/>
    </actionGroup>
</actionGroups>