MAGETWO-89145: Build Stabilization

Wait until opened category folder is visible before creating new folder in media gallery

Author: danmooney2

dev/tests/acceptance/tests/functional/Magento/FunctionalTest/Cms/ActionGroup/SelectImageFromMediaStorageActionGroup.xml

@@ -27,8 +27,6 @@
         <waitForElementVisible selector="{{MediaGallerySection.FolderName}}" stepKey="waitForPopUp" />
         <fillField selector="{{MediaGallerySection.FolderName}}" userInput="{{ImageFolder.name}}" stepKey="fillFolderName" />
         <click selector="{{MediaGallerySection.AcceptFolderName}}" stepKey="acceptFolderName" />
-        <wait time="2" stepKey="waitForModalToTransitionOffScreenAndUnloadItself" />
-        <executeJS function="jQuery('{{MediaGallerySection.AcceptFolderName}}').click()" stepKey="clickMediaGalleryOKButtonProgrammaticallyWithJQuery"/>
         <waitForLoadingMaskToDisappear stepKey="waitForLoading3" />
         <waitForPageLoad stepKey="waitForLoadingArrowToExpand" time="15" />
         <conditionalClick selector="{{MediaGallerySection.StorageRootArrow}}" dependentSelector="{{MediaGallerySection.checkIfArrowExpand}}" stepKey="clickArrowIfClosed" visible="true"/>

dev/tests/acceptance/tests/functional/Magento/FunctionalTest/Cms/Section/TinyMCESection.xml

@@ -53,6 +53,7 @@
         <element name="checkIfArrowExpand" type="button" selector="//li[@id='root' and contains(@class,'jstree-closed')]" />
         <element name="WysiwygArrow" type="button" selector="#d3lzaXd5Zw-- > .jstree-icon" />
         <element name="checkIfWysiwygArrowExpand" type="button" selector="//li[@id='d3lzaXd5Zw--' and contains(@class,'jstree-closed')]" />
+        <element name="CategoryFolderOpen" type="button" selector="//li[@id='Y2F0YWxvZy9jYXRlZ29yeQ--' and contains(@class, 'jstree-open')]"  />
         <element name="confirmDelete" type="button" selector=".action-primary.action-accept" />
     </section>
     <section name="VariableSection">