MC-3398: Create/update MFTF tests for vertical alignment in tab item

- remove reference to row in action group

Author: anthoula

app/code/Magento/PageBuilder/Test/Mftf/ActionGroup/LayoutConfigurationActionGroup.xml

@@ -26,7 +26,7 @@
             <argument name="minHeight" defaultValue="PageBuilderMinHeightProperty_Empty"/>
             <argument name="verticalAlignContainer" defaultValue="PageBuilderVerticalAlignmentPropertyCenter"/>
         </arguments>
-        <waitForElementVisible selector="{{page.base(index)}}" stepKey="waitForRow"/>
+        <waitForElementVisible selector="{{page.base(index)}}" stepKey="waitForContentType"/>
         <waitForElementVisible selector="{{page.minHeight(index, minHeight.value)}}" stepKey="waitForMinHeight"/>
         <waitForElementVisible selector="{{page.verticalAlignContainer(index, verticalAlignContainer.value)}}" stepKey="waitForVerticalAlignContainer"/>
     </actionGroup>