Merge branch 'dev'

Author: IvanChepurnyi

lib/EcomDev/PHPUnit/Constraint/Config.php

@@ -108,4 +108,21 @@ public function toString()
     {
         return $this->constraint->toString();
     }
+
+    /**
+     * Returns the description of the failure
+     *
+     * The beginning of failure messages is "Failed asserting that" in most
+     * cases. This method should return the second part of that sentence.
+     *
+     * To provide additional failure information additionalFailureDescription
+     * can be used.
+     *
+     * @param  mixed $other Evaluated value or object.
+     * @return string
+     */
+    protected function failureDescription($other)
+    {
+        return $this->constraint->failureDescription($other);
+    }
 }