MC-4418: Convert CreateProductAttributeEntityFromProductPageTest to MFTF

- Adjusting selectors slightly to make them more stable.

Author: ivy00johns

app/code/Magento/Catalog/Test/Mftf/Section/StorefrontCategoryMainSection.xml

@@ -31,7 +31,7 @@
         <element name="lineProductName" type="text" selector=".products.list.items.product-items li:nth-of-type({{line}}) .product-item-link" timeout="30" parameterized="true"/>
         <element name="asLowAs" type="input" selector="//*[@class='price-box price-final_price']/a/span[@class='price-container price-final_price tax weee']"/>
         <element name="productsList" type="block" selector="#maincontent .column.main"/>
-        <element name="productName" type="text" selector=".product.name.product-item-name"/>
+        <element name="productName" type="text" selector=".product-item-name"/>
         <element name="productOptionList" type="text" selector="#narrow-by-list"/>
     </section>
 </sections>