# File lib/heroku/api/mock.rb, line 44
      def self.add_mock_app_addon(mock_data, app, addon)
        addon_data = get_mock_addon(mock_data, addon)
        mock_data[:addons][app] << addon_data.reject {|key, value| !['attachable', 'beta', 'configured', 'consumes_dyno_hours', 'description', 'group_description', 'name', 'plan_description', 'price', 'slug', 'state', 'terms_of_service', 'url'].include?(key)}
        add_mock_release(mock_data, app, {'descr' => "Add-on add #{addon_data['name']}"})
      end