autoload in module scope.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@35438 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
autoload in module scope.
not to make tests confused.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@35438 b2dd03c8-39d4-4d8f-98ff-823fe69b080e