MQE-2046: remove deprecated entities usages in MFTF tests

Author: jilu1

app/code/Magento/Backend/Test/Mftf/Section/AdminMessagesSection.xml

@@ -9,12 +9,12 @@
 <sections xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
           xsi:noNamespaceSchemaLocation="urn:magento:mftf:Page/etc/SectionObject.xsd">
     <section name="AdminMessagesSection">
-        <element name="success" type="text" selector="#messages div.message-success"/>
+        <element name="success" type="text" selector=".message-success"/>
         <element name="nthSuccess" type="text" selector=".message.message-success.success:nth-of-type({{n}})>div" parameterized="true"/>
-        <element name="error" type="text" selector="#messages div.message-error"/>
+        <element name="error" type="text" selector=".message.message-error.error"/>
         <element name="notice" type="text" selector=".message.message-notice.notice"/>
         <element name="messageByType" type="text" selector="#messages div.message-{{messageType}}" parameterized="true" />
-        <element name="warning" type="text" selector="#messages div.message-warning"/>
+        <element name="warning" type="text" selector=".message-warning"/>
         <element name="accessDenied" type="text" selector=".access-denied-page"/>
     </section>
 </sections>

app/code/Magento/Catalog/Test/Mftf/ActionGroup/AddSimpleProductToCartActionGroup.xml

@@ -10,7 +10,7 @@
               xsi:noNamespaceSchemaLocation="urn:magento:mftf:Test/etc/actionGroupSchema.xsd">
     <actionGroup name="AddSimpleProductToCartActionGroup">
         <annotations>
-            <description>Navigates to the Storefront Product page. Then adds the Product to the Cart. Validates that the Success Message is present and correct.</description>
+            <description>Only works on Storefront Product Page - Add Simple Product to Cart</description>
         </annotations>
         <arguments>
             <argument name="product" defaultValue="product"/>

app/code/Magento/Checkout/Test/Mftf/ActionGroup/StorefrontAddSimpleProductToCartActionGroup.xml

@@ -11,12 +11,12 @@
   <!-- Add Product to Cart from the category page and check message -->
     <actionGroup name="StorefrontAddSimpleProductToCartActionGroup">
         <annotations>
-            <description>Adds the provided Product to the Storefront Shopping Cart from a Storefront Category page. Validates that the provided Success Message is present and correct.</description>
+            <description>Only works on Storefront Category Page - Add Simple Product to Cart</description>
         </annotations>
         <arguments>
             <argument name="product" type="entity"/>
         </arguments>
-        
+
         <moveMouseOver selector="{{StorefrontCategoryProductSection.ProductInfoByName(product.name)}}" stepKey="moveMouseOverProduct"/>
         <click selector="{{StorefrontCategoryProductSection.ProductAddToCartByName(product.name)}}" stepKey="clickAddToCart"/>
         <waitForElementVisible selector="{{StorefrontCategoryMainSection.SuccessMsg}}" stepKey="waitForSuccessMessage"/>