No need of application owner mock

FactoryGirl does it in one line.

spec/factories.rb

@@ -21,4 +21,6 @@
     sequence(:name) { |n| "Application #{n}" }
     redirect_uri 'https://app.com/callback'
   end
+
+  factory :user
 end

spec/models/doorkeeper/application_spec.rb

@@ -2,8 +2,6 @@
 
 module Doorkeeper
   describe Application do
-    include OrmHelper
-
     let(:require_owner) { Doorkeeper.configuration.instance_variable_set('@confirm_application_owner', true) }
     let(:unset_require_owner) { Doorkeeper.configuration.instance_variable_set('@confirm_application_owner', false) }
     let(:new_application) { FactoryGirl.build(:application) }
@@ -32,7 +30,7 @@ module Doorkeeper
       context 'application owner is required' do
         before(:each) do
           require_owner
-          @owner = mock_application_owner
+          @owner = FactoryGirl.build_stubbed(:user)
         end
 
         it 'is invalid without an owner' do

spec/support/orm/active_record.rb

@@ -1,11 +1,3 @@
 # load schema to in memory sqlite
 ActiveRecord::Migration.verbose = false
 load Rails.root + 'db/schema.rb'
-
-module Doorkeeper
-  module OrmHelper
-    def mock_application_owner
-      mock_model 'User', id: 1234
-    end
-  end
-end

spec/support/orm/mongo_mapper.rb

@@ -8,18 +8,3 @@
     Doorkeeper::AccessToken.create_indexes
   end
 end
-
-module Doorkeeper
-  class PlaceholderApplicationOwner
-    include MongoMapper::Document
-
-    set_collection_name 'placeholder_application_owners'
-    many :applications, class: Doorkeeper::Application
-  end
-
-  module OrmHelper
-    def mock_application_owner
-      PlaceholderApplicationOwner.new
-    end
-  end
-end

spec/support/orm/mongoid.rb

@@ -8,23 +8,3 @@
     Doorkeeper::AccessToken.create_indexes
   end
 end
-
-module Doorkeeper
-  class PlaceholderApplicationOwner
-    include Mongoid::Document
-
-    if ::Mongoid::VERSION >= '3'
-      self.store_in collection: :placeholder_application_owners
-    else
-      self.store_in :placeholder_application_owners
-    end
-
-    has_many :applications
-  end
-
-  module OrmHelper
-    def mock_application_owner
-      PlaceholderApplicationOwner.new
-    end
-  end
-end