code: function CucumberReporter (eventMediator) {
    var options = {
      snippets  : true,
      stream    : process.stdout,
      useColors : true
    };
    this.failureCount  = 0;
    this.eventMediator = eventMediator;
    this.formatter     = DotFormatter(options);
  
    // all feature files are finished
    this.eventMediator.on('end', this.allFeaturesDone.bind(this));
  }
docs: Assembles test results from the worker processes and outputs the results
  to the console.