fix tests and typo bugs

db/migrate/20130321144736_remove_up_score_from_posts.rb

@@ -1,13 +0,0 @@
-class RemoveUpScoreFromPosts < ActiveRecord::Migration
-  def up
-    execute "set statement_timeout = 0"
-    remove_column :posts, :up_score
-    remove_column :posts, :down_score
-  end
-
-  def down
-    execute "set statement_timeout = 0"
-    add_column :posts, :up_score, :integer
-    add_column :posts, :up_score, :integer
-  end
-end

db/structure.sql

@@ -2283,7 +2283,9 @@ CREATE TABLE posts (
     image_height integer NOT NULL,
     parent_id integer,
     has_children boolean DEFAULT false NOT NULL,
-    is_banned boolean DEFAULT false NOT NULL
+    is_banned boolean DEFAULT false NOT NULL,
+    up_score integer,
+    down_score integer
 );