AC-1642: Failed asserting x coordinate of element in PB button groups

Author: krissyhiserote

app/code/Magento/PageBuilder/Test/Mftf/ActionGroup/ContentTypeButtonActionGroup/ValidateButtonGroupStackedAppearanceActionGroup.xml

@@ -19,10 +19,10 @@
         <waitForElementVisible selector="{{buttonGroupPage.base(buttonGroupIndex)}}" stepKey="waitForButtonGroup"/>
         <waitForElementVisible selector="{{buttonGroupPage.appearance(buttonGroupIndex, PageBuilderButtonGroupAppearance_Stacked.value)}}" stepKey="seeButtonAppearance"/>
         <waitForElementVisible selector="{{buttonItemPage.base(firstButtonIndex)}}" stepKey="waitForButton1"/>
-        <executeJS function="return {{buttonItemPage.jsButtonSelector(firstButtonIndex)}}.getBoundingClientRect().x" stepKey="xCoordinate1"/>
+        <executeJS function="return Math.round({{buttonItemPage.jsButtonSelector(firstButtonIndex)}}.getBoundingClientRect().x)" stepKey="xCoordinate1"/>
         <executeJS function="return {{buttonItemPage.jsButtonSelector(firstButtonIndex)}}.getBoundingClientRect().y" stepKey="yCoordinate1"/>
         <waitForElementVisible selector="{{buttonItemPage.base(secondButtonIndex)}}" stepKey="waitForButton2"/>
-        <executeJS function="return {{buttonItemPage.jsButtonSelector(secondButtonIndex)}}.getBoundingClientRect().x" stepKey="xCoordinate2"/>
+        <executeJS function="return Math.round({{buttonItemPage.jsButtonSelector(secondButtonIndex)}}.getBoundingClientRect().x)" stepKey="xCoordinate2"/>
         <executeJS function="return {{buttonItemPage.jsButtonSelector(secondButtonIndex)}}.getBoundingClientRect().y" stepKey="yCoordinate2"/>
         <assertEquals stepKey="checkXCoordinates">
             <expectedResult type="variable">xCoordinate1</expectedResult>