MAGETWO-90591: Add Selected Button shouldn't be enabled if there are no images available

Author: Joan He

app/code/Magento/Cms/Test/Mftf/ActionGroup/SelectImageFromMediaStorageActionGroup.xml

@@ -17,7 +17,6 @@
         <waitForLoadingMaskToDisappear stepKey="waitForLoading2" />
         <see selector="{{MediaGallerySection.CancelBtn}}" userInput="Cancel" stepKey="seeCancelBtn" />
         <see selector="{{MediaGallerySection.CreateFolder}}" userInput="Create Folder" stepKey="seeCreateFolderBtn" />
-        <see selector="{{MediaGallerySection.InsertFile}}" userInput="Add Selected" stepKey="seeAddSelectedBtn" />
     </actionGroup>
     <actionGroup name="CreateImageFolder">
         <arguments>