# File lib/hydra/listener/cucumber_html_report.rb, line 13
      def initialize(output_file = nil)
        @results_path = File.join(Dir.pwd, 'results')
        output_file = File.join(@results_path, 'html/index.html') if output_file.nil?
        @io = File.open(output_file, "w")
        @builder = create_builder(@io)
      end