MAGETWO-84702: [SE Dev] Error Messages edits, part 1 (966 of 1166 total)

- failed FATs are fixed

Author: Dmytro Vilchynskyi

dev/tests/functional/tests/app/Magento/Catalog/Test/Constraint/AssertProductAttributeIsUnique.php

@@ -25,7 +25,7 @@ class AssertProductAttributeIsUnique extends AbstractConstraint
     /**
      * Expected message.
      */
-    const UNIQUE_MESSAGE = 'The value of the "%1" attribute isn\'t unique. Set a unique value and try again.';
+    const UNIQUE_MESSAGE = 'The value of the "%s" attribute isn\'t unique. Set a unique value and try again.';
 
     /**
      * Fixture factory.