1 files changed, 8 insertions, 2 deletions
diff --git a/actionpack/test/template/prototype_helper_test.rb b/actionpack/test/template/prototype_helper_test.rb
index a7a1bc99f3..acbf311212 100644
--- a/actionpack/test/template/prototype_helper_test.rb
+++ b/actionpack/test/template/prototype_helper_test.rb
@@ -1,10 +1,15 @@
 require 'abstract_unit'
+require 'active_model'
 
-Bunny = Struct.new(:Bunny, :id)
-Bunny.extend ActiveModel::Naming
+class Bunny < Struct.new(:Bunny, :id)
+  extend ActiveModel::Naming
+  include ActiveModel::Conversion
+end
 
 class Author
   extend ActiveModel::Naming
+  include ActiveModel::Conversion
+
   attr_reader :id
   def save; @id = 1 end
   def new_record?; @id.nil? end
@@ -15,6 +20,7 @@ end
 
 class Article
   extend ActiveModel::Naming
+  include ActiveModel::Conversion
   attr_reader :id
   attr_reader :author_id
   def save; @id = 1; @author_id = 1 end