# File lib/cucumber/formatter/usage.rb, line 106
      def aggregate_info
        @stepdef_to_match.each do |key, steps|
          if steps.empty?
            key.status = :skipped
            key.mean_duration = 0
          else
            key.status = Ast::StepInvocation.worst_status(steps.map{|step| step[:status]})
            total_duration = steps.inject(0) {|sum, step| step[:duration] + sum}
            key.mean_duration = total_duration / steps.length
          end
        end
      end