MC-2413: Fix Slider Issues

- Making failing slider test less flaky

Author: dhaecker

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

@@ -1537,13 +1537,7 @@
             <argument name="colorCode" value="PageBuilderBackgroundColorProperty_087E8B"/>
         </actionGroup>
         <actionGroup ref="saveEditPanelSettings" stepKey="saveEditPanelSettings"/>
-        <actionGroup ref="duplicateSmallContentType" stepKey="duplicateSmallContentType">
-            <argument name="section" value="SlideOnBackend"/>
-        </actionGroup>
-        <actionGroup ref="openPageBuilderEditPanelSmallByIndex" stepKey="openEditPanel">
-            <argument name="section" value="SlideOnBackend"/>
-            <argument name="targetIndex" value="2"/>
-        </actionGroup>
+        <actionGroup ref="addSlide" stepKey="addSlide"/>
         <actionGroup ref="fillOutColorPicker" stepKey="fillOutSlideTwoColour">
             <argument name="colorCode" value="PageBuilderBackgroundColorProperty_3C3C3C"/>
         </actionGroup>