Add AdminCreateCmsBlockWithMarginalSpaceTest to the WYSIWYGDisabled group

Author: lenaorobei

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

@@ -16,6 +16,7 @@
             <description value="Admin can not able create a CMS block with marginal space in identifier field"/>
             <severity value="CRITICAL"/>
             <group value="Cms"/>
+            <group value="WYSIWYGDisabled"/>
         </annotations>
         <before>
             <actionGroup ref="LoginActionGroup" stepKey="loginGetFromGeneralFile"/>