5 files changed, 26 insertions, 4 deletions
diff --git a/activerecord/test/models/author.rb b/activerecord/test/models/author.rb
index c197951c71..8949cf5826 100644
--- a/activerecord/test/models/author.rb
+++ b/activerecord/test/models/author.rb
@@ -140,6 +140,8 @@ class Author < ActiveRecord::Base
   has_many :posts_with_default_include, :class_name => 'PostWithDefaultInclude'
   has_many :comments_on_posts_with_default_include, :through => :posts_with_default_include, :source => :comments
 
+  has_many :posts_with_signature, ->(record) { where("posts.title LIKE ?", "%by #{record.name.downcase}%") }, class_name: "Post"
+
   scope :relation_include_posts, -> { includes(:posts) }
   scope :relation_include_tags,  -> { includes(:tags) }
 
diff --git a/activerecord/test/models/comment.rb b/activerecord/test/models/comment.rb
index ede5fbd0c6..f82df417ce 100644
--- a/activerecord/test/models/comment.rb
+++ b/activerecord/test/models/comment.rb
@@ -26,6 +26,10 @@ class Comment < ActiveRecord::Base
     all
   end
   scope :all_as_scope, -> { all }
+
+  def to_s
+    body
+  end
 end
 
 class SpecialComment < Comment
diff --git a/activerecord/test/models/company_in_module.rb b/activerecord/test/models/company_in_module.rb
index 38b0b6aafa..dae102d12b 100644
--- a/activerecord/test/models/company_in_module.rb
+++ b/activerecord/test/models/company_in_module.rb
@@ -46,6 +46,24 @@ module MyApplication
         end
       end
     end
+
+    module Suffixed
+      def self.table_name_suffix
+        '_suffixed'
+      end
+
+      class Company < ActiveRecord::Base
+      end
+
+      class Firm < Company
+        self.table_name = 'companies'
+      end
+
+      module Nested
+        class Company < ActiveRecord::Base
+        end
+      end
+    end
   end
 
   module Billing
diff --git a/activerecord/test/models/developer.rb b/activerecord/test/models/developer.rb
index 762259ffa3..0a614c3bfd 100644
--- a/activerecord/test/models/developer.rb
+++ b/activerecord/test/models/developer.rb
@@ -13,6 +13,8 @@ class Developer < ActiveRecord::Base
     end
   end
 
+  accepts_nested_attributes_for :projects
+
   has_and_belongs_to_many :projects_extended_by_name,
       -> { extending(DeveloperProjectsAssociationExtension) },
       :class_name => "Project",
diff --git a/activerecord/test/models/post.rb b/activerecord/test/models/post.rb
index 6399a68d95..b1e56c14d1 100644
--- a/activerecord/test/models/post.rb
+++ b/activerecord/test/models/post.rb
@@ -167,10 +167,6 @@ class Post < ActiveRecord::Base
     return @log if message.nil?
     @log << [message, side, new_record]
   end
-
-  def self.what_are_you
-    'a post...'
-  end
 end
 
 class SpecialPost < Post; end