more tests.


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@40045 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
conditional test fixed.


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@40046 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Unused module removed.


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@40047 b2dd03c8-39d4-4d8f-98ff-823fe69b080e