magento-test/app/code/Magento/Cms/Test/Mftf/ActionGroup/VerifyCmsBlockSaveSplitButtonActionGroup.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="VerifyCmsBlockSaveSplitButtonActionGroup">
        <annotations>
            <description>verify Save and Close and Save and Duplicate button.</description>
        </annotations>

        <amOnPage url="{{CmsNewBlock.url}}" stepKey="amOnBlocksCreationForm"/>
        <waitForPageLoad stepKey="waitForPageLoad1"/>
        <!--Verify Save&Duplicate button and Save&Close button-->
        <click selector="{{BlockNewPagePageActionsSection.expandSplitButton}}"  stepKey="expandSplitBtn1" />
        <waitForElementVisible selector="{{BlockNewPagePageActionsSection.saveAndDuplicate}}" stepKey="waitForButtonMenuOpened"/>
        <see selector="{{BlockNewPagePageActionsSection.saveAndDuplicate}}" userInput="Save &amp; Duplicate" stepKey="seeSaveAndDuplicate"/>
        <see selector="{{BlockNewPagePageActionsSection.saveAndClose}}" userInput="Save &amp; Close" stepKey="seeSaveAndClose"/>
    </actionGroup>
</actionGroups>