MC-20069: Fix Skipped MFTF Tests From MC-17140: MAGETWO-72277, MAGETWO-84682, MAGETWO-94854

Author: svitja

app/code/Magento/Newsletter/Test/Mftf/Test/AdminAddWidgetToWYSIWYGNewsletterTest.xml

@@ -23,13 +23,14 @@
             <actionGroup ref="SwitchToVersion4ActionGroup" stepKey="switchToTinyMCE4" />
         </before>
         <amOnPage url="{{NewsletterTemplateForm.url}}" stepKey="amOnNewsletterTemplatePage"/>
-        <waitForPageLoad stepKey="waitForPageLoad1"/>
+        <waitForElementVisible selector="{{BasicFieldNewsletterSection.templateName}}" stepKey="waitForTemplateName"/>
         <fillField selector="{{BasicFieldNewsletterSection.templateName}}" userInput="{{_defaultNewsletter.name}}" stepKey="fillTemplateName" />
         <fillField selector="{{BasicFieldNewsletterSection.templateSubject}}" userInput="{{_defaultNewsletter.subject}}" stepKey="fillTemplateSubject" />
         <fillField selector="{{BasicFieldNewsletterSection.senderName}}" userInput="{{_defaultNewsletter.senderName}}" stepKey="fillSenderName" />
         <fillField selector="{{BasicFieldNewsletterSection.senderEmail}}" userInput="{{_defaultNewsletter.senderEmail}}" stepKey="fillSenderEmail" />
         <conditionalClick selector="{{NewsletterWYSIWYGSection.ShowHideBtn}}" dependentSelector="{{NewsletterWYSIWYGSection.TinyMCE4}}" visible="false" stepKey="toggleEditorIfHidden"/>
         <waitForElementVisible selector="{{TinyMCESection.TinyMCE4}}" stepKey="waitForTinyMCE" />
+        <waitForElementVisible selector="{{NewsletterWYSIWYGSection.InsertWidgetIcon}}" stepKey="waitForInsertWidgerIconButton"/>
         <click selector="{{NewsletterWYSIWYGSection.InsertWidgetIcon}}" stepKey="clickInsertWidgetIcon" />
         <wait time="10" stepKey="waitForPageLoad" />
         <see userInput="Inserting a widget does not create a widget instance." stepKey="seeMessage" />