MC-172: [Visual Merchandiser] Admin should be able to mass assign products to category by SKU

    - added mftf test

(cherry picked from commit 34ed8a4)

Author: jilu1

dev/tests/acceptance/tests/functional/Magento/FunctionalTest/Catalog/ActionGroup/AdminCategoryActionGroup.xml

@@ -37,6 +37,16 @@
         <see selector="{{AdminHeaderSection.pageTitle}}" userInput="New Category" stepKey="seeCategoryPageTitle"/>
     </actionGroup>
 
+    <!-- Go to admin category page by id -->
+    <actionGroup name="goToAdminCategoryPageById">
+        <arguments>
+            <argument name="id" type="string"/>
+        </arguments>
+        <amOnPage url="{{AdminCategoryEditPage.url(id)}}" stepKey="amOnAdminCategoryPage"/>
+        <waitForPageLoad stepKey="waitForPageLoad"/>
+        <see selector="{{AdminHeaderSection.pageTitle}}" userInput="{{id}}" stepKey="seeCategoryPageTitle"/>
+    </actionGroup>
+
     <!-- Fill category fields -->
     <actionGroup name="fillCategoryForm">
         <arguments>
@@ -202,7 +212,6 @@
         <see selector="{{AdminCategoryBasicFieldSection.FieldError('uid')}}" userInput="This is a required field." stepKey="seeErrorMessage"/>
     </actionGroup>
 
-
     <actionGroup name="switchCategoryStoreView">
         <arguments>
             <argument name="Store"/>