* test/test_mutex_m.rb: ditto. git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@28954 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@28731 b2dd03c8-39d4-4d8f-98ff-823fe69b080e