corrected typo

Author: AnnaAPak

app/code/Magento/Cms/Test/Mftf/Test/VerifyTinyMCEv4IsNativeWYSIWYGOnBlockTest.xml

@@ -85,7 +85,7 @@
         <!--see content of Block on Storefront-->
         <see userInput="Hello Block Page!" stepKey="seeContent"/>
         <after>
-            <actionGroup ref="AdminOpenCMSPagesGridActionGroup" stepKey="amOnEditPag"/>
+            <actionGroup ref="AdminOpenCMSPagesGridActionGroup" stepKey="amOnEditPage"/>
             <comment userInput="Comment is added to preserve the step key for backward compatibility" stepKey="waitForPageLoad"/>
             <conditionalClick selector="{{CmsPagesPageActionsSection.clearAllButton}}" dependentSelector="{{CmsPagesPageActionsSection.activeFilters}}" stepKey="clickToResetFilter" visible="true"/>
             <waitForPageLoad stepKey="waitForGridReload"/>