2 files changed, 8 insertions, 1 deletions
diff --git a/activerecord/test/models/pirate.rb b/activerecord/test/models/pirate.rb
index c8617d1cfe..fd5083e597 100644
--- a/activerecord/test/models/pirate.rb
+++ b/activerecord/test/models/pirate.rb
@@ -17,7 +17,13 @@ class Pirate < ActiveRecord::Base
     after_remove: proc { |p, pa| p.ship_log << "after_removing_proc_parrot_#{pa.id}" }
   has_and_belongs_to_many :autosaved_parrots, class_name: "Parrot", autosave: true
 
-  has_many :treasures, as: :looter
+  module PostTreasuresExtension
+    def build(attributes = {})
+      super({ name: "from extension" }.merge(attributes))
+    end
+  end
+
+  has_many :treasures, as: :looter, extend: PostTreasuresExtension
   has_many :treasure_estimates, through: :treasures, source: :price_estimates
 
   has_one :ship
diff --git a/activerecord/test/models/post.rb b/activerecord/test/models/post.rb
index 54eb5e6783..640cdb33b4 100644
--- a/activerecord/test/models/post.rb
+++ b/activerecord/test/models/post.rb
@@ -253,6 +253,7 @@ class SpecialPostWithDefaultScope < ActiveRecord::Base
   self.inheritance_column = :disabled
   self.table_name = "posts"
   default_scope { where(id: [1, 5, 6]) }
+  scope :unscoped_all, -> { unscoped { all } }
 end
 
 class PostThatLoadsCommentsInAnAfterSaveHook < ActiveRecord::Base