    # File lib/spec/story/runner/story_mediator.rb, line 71
              def to_proc
                title = @title
                narrative = @narrative
                scenarios = @scenarios.collect { |scenario| scenario.to_proc }
                options = @options.merge(:steps_for => @step_group)
                lambda do
                  Story title, narrative, options do
                    scenarios.each { |scenario| instance_eval(&scenario) }
                  end
                end
              end