MAGETWO-88232: Image from WYSIWYG do not show up on admin preview nor storefront

- Build stabilization

Author: kieuphan2406

dev/tests/acceptance/tests/functional/Magento/FunctionalTest/Cms/Test/AdminAddImageToWYSIWYGCMSPageCest.xml

@@ -45,7 +45,6 @@
         <actionGroup ref="saveImage" stepKey="insertImage"/>
         <actionGroup ref="fillOutUploadImagePopup" stepKey="fillOutUploadImagePopup" />
         <click selector="{{CmsNewPagePageSeoSection.header}}" stepKey="clickExpandSearchEngineOptimisation"/>
-        <fillField selector="{{CmsNewPagePageSeoSection.urlKey}}" userInput="{{_defaultCmsPage.identifier}}" stepKey="fillFieldUrlKey"/>
         <click selector="{{CmsNewPagePageActionsSection.expandSplitButton}}" stepKey="expandButtonMenu"/>
         <waitForElementVisible selector="{{CmsNewPagePageActionsSection.splitButtonMenu}}" stepKey="waitForSplitButtonMenuVisible"/>
         <click selector="{{CmsNewPagePageActionsSection.savePage}}" stepKey="clickSavePage"/>

dev/tests/acceptance/tests/functional/Magento/FunctionalTest/Newsletter/Test/AdminAddImageToWYSIWYGNewsletterCest.xml

@@ -56,7 +56,6 @@
         <waitForPageLoad stepKey="waitForPageLoad9"/>
         <seeElement selector="{{StorefrontNewsletterSection.mediaDescription}}" stepKey="assertMediaDescription"/>
         <seeElementInDOM selector="{{StorefrontNewsletterSection.ImageSource(ImageUpload3.fileName,ImageUpload3.extension)}}" stepKey="assertMediaSource"/>
-        <closeTab stepKey="closeTab"/>
         <after>
             <closeTab stepKey="closeTab"/>
             <actionGroup ref="DisabledWYSIWYG" stepKey="disableWYSIWYG"/>