Add missing require to inheritance test

activerecord/test/cases/persistence_test.rb

@@ -12,13 +12,13 @@
 require 'models/warehouse_thing'
 require 'models/parrot'
 require 'models/minivan'
+require 'models/owner'
 require 'models/person'
 require 'models/pet'
 require 'models/toy'
 require 'rexml/document'
 
 class PersistencesTest < ActiveRecord::TestCase
-
   fixtures :topics, :companies, :developers, :projects, :computers, :accounts, :minimalistics, 'warehouse-things', :authors, :categorizations, :categories, :posts, :minivans, :pets, :toys
 
   # Oracle UPDATE does not support ORDER BY

activerecord/test/models/pet.rb

@@ -1,5 +1,4 @@
 class Pet < ActiveRecord::Base
-
   attr_accessor :current_user
 
   self.primary_key = :pet_id
@@ -13,5 +12,4 @@ class << self
   after_destroy do |record|
     Pet.after_destroy_output = record.current_user
   end
-
 end