ext/-test-: reduce feature names
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@53494 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
ext/-test-: reduce feature names
have same name as the parent directory to reduce feature names.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@53494 b2dd03c8-39d4-4d8f-98ff-823fe69b080e