Merge pull request #663 from joweecaquicla/viewport-switcher-update

Fix failed functional tests on viewport switcher branch

Author: omiroshnichenko

app/code/Magento/PageBuilder/Test/Mftf/Test/AdminPageBuilderSlideItemAppearanceCollageCenterTest/SlideCollageCenteredMobileWithMobileImageValuesTest.xml

@@ -68,7 +68,7 @@
         <actionGroup ref="saveEditPanelSettings" stepKey="saveEditPanelSettings"/>
         <!-- Validate Stage -->
         <comment userInput="Validate Stage" stepKey="commentValidateStage"/>
-        <actionGroup ref="validateBackgroundImage" stepKey="validateImageStage">
+        <actionGroup ref="ValidateBackgroundImageConfigurationActionGroup" stepKey="validateImageStage">
             <argument name="section" value="SlideOnBackend"/>
             <argument name="backgroundImage" value="PageBuilderBackgroundImage_JPG"/>
         </actionGroup>