MC-389: [Visual Merchandiser] Admin should be able to mass remove products to category by SKU"

- added mftf test

(cherry picked from commit 9c59138)

Author: jilu1

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

@@ -32,4 +32,12 @@
         <!-- @TODO: MAGETWO-80272 Move to Magento_Checkout -->
         <seeElement selector="{{StorefrontCategoryProductSection.ProductAddToCartByName(product.name)}}" stepKey="AssertAddToCart" />
     </actionGroup>
+
+    <!-- Check simple product not on the category page -->
+    <actionGroup name="StorefrontCheckSimpleProductNotInCategory">
+        <arguments>
+            <argument name="product"/>
+        </arguments>
+        <dontSeeElement selector="{{StorefrontCategoryProductSection.ProductTitleByName(product.name)}}" stepKey="assertProductName"/>
+    </actionGroup>
 </actionGroups>