Revert "Closes: #66"

This reverts commit c3be29255a.

Co-authored-by: Roberto Abdelkader Martínez Pérez <robertomartinezp@gmail.com>

spec/test/features/data/handler/error_itemnotfound.feature

@@ -28,4 +28,4 @@ Feature: Fail to retrieve nonexistent resource items in Kapow! server.
     When I send a request to the testing route "/foo"
       And I get the resource "/request/params/meloinvento"
     Then I get 404 as response code
-#      And I get "Resource Item Not Found" as response reason phrase
+      And I get "Resource Item Not Found" as response reason phrase