Merge pull request #2543 from htanata/unused_require_in_ar_test

Remove unused require in activerecord/test/cases/attribute_methods_test.rb

activerecord/test/cases/attribute_methods_test.rb

@@ -8,7 +8,6 @@
 require 'models/topic'
 require 'models/company'
 require 'models/category'
-require 'models/reply'
 require 'models/contact'
 require 'models/keyboard'