ACQE-7334 : WYSIWYG is presented for content if page for edit is opened in new browser tab

updated test file

Author: glo74186

app/code/Magento/Cms/Test/Mftf/Test/AdminVerifyWYSIWYGEditorAndTinyMCEButtonsAcrossBrowserTabsTest.xml

@@ -37,7 +37,9 @@
         </actionGroup>
         <waitForPageLoad stepKey="waitForCMSPage"/>
         <switchToPreviousTab stepKey="switchToPreviousTab"/>
+        <waitForPageLoad stepKey="waitForCMSPage123"/>
         <conditionalClick selector="{{CmsNewPagePageContentSection.header}}" dependentSelector="{{CmsNewPagePageContentSection.contentHeading}}" visible="false" stepKey="expandContentTabIfCollapsed"/>
+        <wait time="15" stepKey="k1"/>
         <actionGroup ref="AdminVerifyWYSIWYGEditorAndTinyMCEButtonsActionGroup" stepKey="verifyWYSIWYGEditorAndButtonsPresentInCurrentTab"/>
         <switchToNextTab stepKey="switchToNextTab"/>
         <conditionalClick selector="{{CmsNewPagePageContentSection.header}}" dependentSelector="{{CmsNewPagePageContentSection.contentHeading}}" visible="false" stepKey="againExpandContentTabIfCollapsed"/>