text: module.exports = Nightwatch;
  
  function Nightwatch(nightwatch, runner, test_settings) {
    this._instance = null;
  
    test_settings.output = false;
    this._instance = nightwatch.initClient(test_settings);
  
    this._instance.on('error', function(err) {
      runner.failOnError(err);
    }.bind(this));
  }
  
  Nightwatch.prototype.get = function() {
    return this._instance;
  };
  