test_const.rb: suppress warnings
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@52148 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
test_const.rb: suppress warnings
suppress warnings instead of redirecting to null device.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@52148 b2dd03c8-39d4-4d8f-98ff-823fe69b080e