#429: User can add content to the Stage directly

- fix deprecated action group

Author: omiroshnichenko

app/code/Magento/PageBuilder/Test/Mftf/Test/AdminCMSPagePageBuilderTest/PageBuilderCMSPageAddContentDirectlyToStageTest.xml

@@ -31,7 +31,7 @@
             <actionGroup ref="AdminLogoutActionGroup" stepKey="logout"/>
         </after>
         <!-- Verify Stage is Empty By Default -->
-        <actionGroup ref="verifyEmptyStage" stepKey="verifyStageEmpty"/>
+        <actionGroup ref="AdminVerifyEmptyStageActionGroup" stepKey="verifyStageEmpty"/>
         <actionGroup ref="expandPageBuilderPanelMenuSection" stepKey="expandMenuSectionElements">
             <argument name="contentType" value="PageBuilderRowContentType"/>
         </actionGroup>