Test failure with JRuby 1.7.2 (#12228).

git-svn-id: svn+ssh://rubyforge.org/var/svn/redmine/trunk@11279 e93f8b46-1217-0410-a6f0-8f06a7374b81
Test failure with JRuby 1.7.2 (#12228).

git-svn-id: svn+ssh://rubyforge.org/var/svn/redmine/trunk@11280 e93f8b46-1217-0410-a6f0-8f06a7374b81