MC-249: Guest customer should be able to search configurable product by attributes of child products

 - Remove conflicting unique suffix

Author: leviv

dev/tests/acceptance/tests/functional/Magento/FunctionalTest/Catalog/Data/ProductAttributeData.xml

@@ -74,7 +74,7 @@
         <requiredEntity type="FrontendLabel">ProductAttributeFrontendLabel</requiredEntity>
     </entity>
     <entity name="productAttributeWithDropdownTwoOptions" type="ProductAttribute">
-        <data key="attribute_code" unique="suffix">testattribute</data>
+        <data key="attribute_code">testattribute</data>
         <data key="frontend_input">select</data>
         <data key="scope">global</data>
         <data key="is_required">false</data>