tasks/datadriver.js
function() {
                var callback = arguments[arguments.length - 1];
                grunt.log.debug('init WebdriverIO instance');

                GLOBAL.browser.init(function(err) {
                    /**
                     * gracefully kill process if init fails
                     */
                    callback(err);
                });
            }
function() {
                var callback = arguments[arguments.length - 1];
                grunt.log.debug('init WebdriverIO instance');

                GLOBAL.browser.init(function(err) {
                    /**
                     * gracefully kill process if init fails
                     */
                    callback(err);
                });
            }
function ( ) { var callback = arguments [ arguments . length - 1 ] ; grunt . log . debug ( 'init WebdriverIO instance' ) ; GLOBAL . browser . init ( function ( err ) { /**
                     * gracefully kill process if init fails
                     */ callback ( err ) ; } ) ; }
init WebdriverIO instance
init WebdriverIO instance