MAGETWO-87577: Build stabilization

- Fixed group name

Author: kieuphan2406

dev/tests/acceptance/tests/functional/Magento/FunctionalTest/Cms/Test/AdminAddVariableToWYSIWYGBlockCest.xml

@@ -11,7 +11,7 @@
         <annotations>
             <features value="MAGETWO-36659-[CMS] WYSIWYG update"/>
             <stories value="MAGETWO-42158-Variable with WYSIWYG"/>
-            <group value="kieu"/>
+            <group value="Cms"/>
             <title value="Admin should be able to add variable to WYSIWYG content of Block"/>
             <description value="You should be able to add variable to WYSIWYG content Block"/>
             <testCaseId value="MAGETWO-84378"/>