# File lib/capybara/spec/spec_helper.rb, line 58
    def silence_stream(stream)
      old_stream = stream.dup
      stream.reopen(RbConfig::CONFIG['host_os'] =~ /rmswin|mingw/ ? 'NUL:' : '/dev/null')
      stream.sync = true
      yield
    ensure
      stream.reopen(old_stream)
    end