PB-108 MFTF fix - increase acceptable offset by 1 since column line is a new content type adding 1px extra

Author: paras89

app/code/Magento/PageBuilder/Test/Mftf/Test/AdminPageBuilderBlockRenderLayoutContentTypesTest/BlockRenderColumnFullHeightAppearanceThroughBlockContentTypeTest.xml

@@ -123,6 +123,7 @@
         <comment userInput="Validate CMS Block Stage" stepKey="commentValidateCMSBlockStage"/>
         <actionGroup ref="validateColumnAppearanceFullHeight" stepKey="validateColumn1AppearanceCMSBlockStage">
             <argument name="affordanceValue" value="{{PageBuilderColumnAffordanceHeight.value}}"/>
+            <argument name="acceptableOffset" value="3"/>
         </actionGroup>
         <actionGroup ref="ValidateAllBackgroundAttributesActionGroup" stepKey="validateBackgroundCMSBlockStage">
             <argument name="section" value="ColumnOnBackend"/>

app/code/Magento/PageBuilder/Test/Mftf/Test/ViewportSwitcherMobile/ViewportSwitcherMobileColumnFullHeightAppearanceThroughBlockContentTypeTest.xml

@@ -154,6 +154,7 @@
         </actionGroup>
         <actionGroup ref="validateColumnAppearanceFullHeight" stepKey="validateColumn1AppearanceCMSBlockStage">
             <argument name="affordanceValue" value="{{PageBuilderColumnAffordanceHeight.value}}"/>
+            <argument name="acceptableOffset" value="3"/>
         </actionGroup>
         <actionGroup ref="ValidateAllBackgroundAttributesActionGroup" stepKey="validateBackgroundCMSBlockStage">
             <argument name="section" value="ColumnOnBackend"/>