code: function (cb) {
  					Nightwatch.runner(argv, function (status) {
  						var err = null;
  						if (status) {
  							console.log([moment().format('HH:mm:ss:SSS')] + ' kne: tests passed');
  						} else {
  							console.log([moment().format('HH:mm:ss:SSS')] + ' kne: tests failed');
  							err = new Error('kne: nightwatch runner returned an error status code');
  						}
  						cb(err);
  					});
  				}
docs: Run nightwatch to start executing the tests