magento-test/app/code/Magento/Cms/Test/Mftf/ActionGroup/SaveAndCloseCMSBlockWithSplitButtonActionGroup.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="SaveAndCloseCMSBlockWithSplitButtonActionGroup">
        <annotations>
            <description>Clicks on the Save and Close button.</description>
        </annotations>

        <waitForElementVisible selector="{{BlockNewPagePageActionsSection.expandSplitButton}}" stepKey="waitForExpandSplitButtonToBeVisible"/>
        <click selector="{{BlockNewPagePageActionsSection.expandSplitButton}}" stepKey="expandSplitButton"/>
        <click selector="{{BlockNewPagePageActionsSection.saveAndClose}}" stepKey="clickSaveBlock"/>
        <waitForPageLoad stepKey="waitForPageLoadAfterClickingSave"/>
        <waitForElementVisible selector="{{AdminMessagesSection.success}}" stepKey="waitForSuccessMessageAppear"/>
        <dontSee selector="{{BlockPageActionsSection.saveBlockWarningMessage}}" stepKey="dontSeeWarningMessage"/>
        <see userInput="You saved the block." selector="{{AdminMessagesSection.success}}" stepKey="assertSaveBlockSuccessMessage"/>
    </actionGroup>
</actionGroups>