_run_suites

# File lib/test/unit.rb, line 653
      def _run_suites suites, type
        _prepare_run(suites, type)
        @interrupt = nil
        result = []
        GC.start
        if @options[:parallel]
          _run_parallel suites, type, result
        else
          suites.each {|suite|
            begin
              result << _run_suite(suite, type)
            rescue Interrupt => e
              @interrupt = e
              break
            end
          }
        end
        report.reject!{|r| r.start_with? "Skipped:" } if @options[:hide_skip]
        report.sort_by!{|r| r.start_with?("Skipped:") ? 0 :                             (r.start_with?("Failure:") ? 1 : 2) }
        result
      end