2 files changed, 8 insertions, 0 deletions
diff --git a/activerecord/test/models/car.rb b/activerecord/test/models/car.rb
index 778c22b1f6..0f37e9a289 100644
--- a/activerecord/test/models/car.rb
+++ b/activerecord/test/models/car.rb
@@ -12,6 +12,8 @@ class Car < ActiveRecord::Base
   has_many :engines, :dependent => :destroy, inverse_of: :my_car
   has_many :wheels, :as => :wheelable, :dependent => :destroy
 
+  has_many :price_estimates, :as => :estimate_of
+
   scope :incl_tyres, -> { includes(:tyres) }
   scope :incl_engines, -> { includes(:engines) }
 
diff --git a/activerecord/test/models/uuid_item.rb b/activerecord/test/models/uuid_item.rb
new file mode 100644
index 0000000000..2353e40213
--- /dev/null
+++ b/activerecord/test/models/uuid_item.rb
@@ -0,0 +1,6 @@
+class UuidItem < ActiveRecord::Base
+end
+
+class UuidValidatingItem < UuidItem
+  validates_uniqueness_of :uuid
+end