magento-test/app/code/Magento/SalesRule/Test/Mftf/ActionGroup/AssertCartPriceRuleSuccessSaveMessageActionGroup.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="AssertCartPriceRuleSuccessSaveMessageActionGroup">
        <annotations>
            <description>Clicks on the Save button on the Admin Cart Price Rule creation/edit page. Validates that the Success Message is present and correct.</description>
        </annotations>

        <click selector="{{AdminCartPriceRulesFormSection.save}}" stepKey="clickSaveButton"/>
        <see selector="{{AdminCartPriceRulesFormSection.successMessage}}" userInput="You saved the rule." stepKey="seeAssertSuccessSaveMessage"/>
    </actionGroup>
</actionGroups>