Ruby

test/unit.rb: no verbose in worker processes

• test/lib/test/unit.rb (Test::Unit::Parallel::Worker.launch):
  disable verbose flag in worker processes, get rid of unexpected
  output within marshaled results.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@55832 b2dd03c8-39d4-4d8f-98ff-823fe69b080e