MQE-1704: MFTF Compatibility with PHPUnit 9

Author: soumyau

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

@@ -21,7 +21,9 @@
             <actionGroup ref="AdminLoginActionGroup" stepKey="loginGetFromGeneralFile"/>
             <actionGroup ref="DisabledWYSIWYGActionGroup" stepKey="disableWYSIWYG"/>
         </before>
-
+        <after>
+            <actionGroup ref="AdminLogoutActionGroup" stepKey="adminLogout"/>
+        </after>
         <amOnPage url="{{CmsNewBlock.url}}" stepKey="amOnBlocksCreationForm"/>
         <waitForPageLoad stepKey="waitForPageLoad1"/>
         <!--Verify Save&Duplicate button and Save&Close button-->