fix user feedback controller test

db/development_structure.sql

@@ -2396,7 +2396,7 @@ CREATE TABLE user_feedback (
     id integer NOT NULL,
     user_id integer NOT NULL,
     creator_id integer NOT NULL,
-    is_positive boolean NOT NULL,
+    category character varying(255) NOT NULL,
     body text NOT NULL,
     created_at timestamp without time zone,
     updated_at timestamp without time zone

db/migrate/20100215230642_create_user_feedback.rb

@@ -3,7 +3,7 @@ class CreateUserFeedback < ActiveRecord::Migration
     create_table :user_feedback do |t|
       t.column :user_id, :integer, :null => false
       t.column :creator_id, :integer, :null => false
-      t.column :is_positive, :boolean, :null => false
+      t.column :category, :string, :null => false
       t.column :body, :text, :null => false
       t.timestamps
     end