Selenium Webdriver Node Mocha

gistfile1.js

var BASE_URL = 'http://google.com';

var assert = require('assert'),
    webdriver = require('selenium-webdriver'),
    colors = require('colors');

//build all the drivers to be used
var chrome_driver = new webdriver.Builder().
    withCapabilities(webdriver.Capabilities.chrome()).
    build();

var firefox_driver = new webdriver.Builder().
    withCapabilities(webdriver.Capabilities.firefox()).
    build();

//compile an array that will be iterated over for the testing
var drivers = [chrome_driver, firefox_driver];


//iterate over each driver and complete the test
drivers.forEach(function (driver, index, arr){
    describe('basic test', function () {
        it('should be on correct page', function (done) {
            driver.get(BASE_URL);
            driver.getTitle()
            .then(function(title) {
                assert.equal(title, 'Google');
                done();
            });
            driver.quit();
        });
    });
});