Ruby

test/unit.rb: newline after message

• test/lib/test/unit.rb (deal): print a newline after an error
  message for unknown command not to overwritten by next messages.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@46692 b2dd03c8-39d4-4d8f-98ff-823fe69b080e