MC-2365: Create MFTF tests for vertical alignment of rows

- add waits to prevent false positives for dontSeeElement

Author: anthoula

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

@@ -54,12 +54,14 @@
         <actionGroup ref="saveEditPanelSettings" stepKey="saveEditPanelSettingsThirdColumn"/>
         <!-- Verify Min Height Not Used and Vertical Alignment On Stage - Before Save -->
         <comment userInput="Verify min height not used and vertical alignment on stage before save" stepKey="commentVerifyMinHeightAndVerticalAlignmentOnStageBeforeSave"/>
+        <waitForElement selector="{{RowOnStage.empty('1')}}" stepKey="waitForEmptyRow"/>
         <dontSeeElement selector="{{RowOnStage.minHeight('1', PageBuilderMinHeightProperty_300.value)}}" stepKey="dontSeeFirstRowMinHeightStyle"/>
         <seeElement selector="{{RowOnStage.rowChildrenStyle('1', PageBuilderVerticalAlignmentPropertyTop.style)}}" stepKey="seeFirstRowVerticalAlignmentTop"/>
         <!-- Verify Min Height Not Used and Vertical Alignment On Stage - After Save -->
         <comment userInput="Verify min height not used and vertical alignment on stage after save" stepKey="commentVerifyMinHeightAndVerticalAlignmentOnStageAfterSave"/>
         <actionGroup ref="saveAndContinueEditCmsPage" stepKey="saveAndContinueEditCmsPage"/>
         <actionGroup ref="switchToPageBuilderStage" stepKey="switchToPageBuilderStage"/>
+        <waitForElement selector="{{RowOnStage.empty('1')}}" stepKey="waitForEmptyRowAfterSave"/>
         <dontSeeElement selector="{{RowOnStage.minHeight('1', PageBuilderMinHeightProperty_300.value)}}" stepKey="seeFirstRowMinHeightAfterSave"/>
         <seeElement selector="{{RowOnStage.rowChildrenStyle('1', PageBuilderVerticalAlignmentPropertyTop.style)}}" stepKey="seeFirstRowVerticalAlignmentTopAfterSave"/>
         <!-- Verify Min Height Not Used and Vertical Alignment In Form - After Save -->
@@ -84,6 +86,7 @@
         <actionGroup ref="navigateToStoreFront" stepKey="navigateToStoreFront">
             <argument name="contentType" value="PageBuilderRowContentType"/>
         </actionGroup>
+        <waitForElement selector="{{RowOnStorefront.base('1')}}" stepKey="waitForEmptyRowOnStage"/>
         <dontSeeElement selector="{{RowOnStorefront.rowStyle('1', PageBuilderMinHeightProperty_500.style)}}" stepKey="seeRow1MinHeightApplied"/>
         <seeElement selector="{{RowOnStorefront.rowStyle('1', PageBuilderVerticalAlignmentPropertyTop.style)}}" stepKey="seeRow1VerticalAlignmentTopApplied"/>
     </test>