MC-13769: Add Missing P0-P1 MFTF Tests For PageBuilder On CMS Block - Render Content Through Block

-  Removed incorrect spacing in test xml

Author: Hwashiang Yu

app/code/Magento/PageBuilder/Test/Mftf/Test/AdminPageBuilderSlideItemAppearancePosterTests.xml

@@ -1241,7 +1241,7 @@
         <seeElement selector="{{SlideOnFrontend.backgroundRepeat('1', PageBuilderBackgroundRepeat_Enabled.styleValue)}}" stepKey="seeBackgroundRepeatStorefront"/>
         <actionGroup ref="validateBackgroundImageContainer" stepKey="validateImageStorefront">
             <argument name="section" value="SlideOnFrontend"/>
-<argument name="backgroundImage" value="PageBuilderBackgroundImage_JPG"/>
+            <argument name="backgroundImage" value="PageBuilderBackgroundImage_JPG"/>
         </actionGroup>
         <!-- Validate Storefront: Content -->
         <comment userInput="Validate Storefront: Content" stepKey="commentValidateContentStorefront"/>
@@ -1276,7 +1276,7 @@
         <actionGroup ref="validateBackgroundImageContainer" stepKey="validateMobileImageOnStorefront">
             <argument name="section" value="SlideOnFrontend"/>
             <argument name="backgroundImage" value="PageBuilderBackgroundMobileImage_GIF"/>
-</actionGroup>
+        </actionGroup>
         <seeElement selector="{{SlideOnFrontend.backgroundSize('1', PageBuilderBackgroundSize_Contain.value)}}" stepKey="seeBackgroundSizeStorefrontMobile"/>
         <seeElement selector="{{SlideOnFrontend.backgroundPosition('1', PageBuilderBackgroundPosition_Center.styleValue)}}" stepKey="seeBackgroundPositionStorefrontMobile"/>
         <seeElement selector="{{SlideOnFrontend.backgroundRepeat('1', PageBuilderBackgroundRepeat_Enabled.styleValue)}}" stepKey="seeBackgroundRepeatStorefrontMobile"/>