Заготовка для тестирования с использованием Selenium и Mocha

firstTest.js

var webdriver = require('selenium-webdriver');
var test = require('selenium-webdriver/testing');
var assert = require('assert');
var driver;

function testIT (test){
    test.it('тест №1', function () {
        //...
    });
    //...
}

test.describe('test in chrome', function () {
    test.before(function () {
        driver = new webdriver.Builder()
            .withCapabilities({ browserName: 'chrome' })
            .build();
        driver.manage().timeouts().implicitlyWait(20000);
    });

    testIT(test);

    test.after(function () {
        driver.quit();
    });

});

test.describe('test in firefox', function () {
    test.before(function () {

        driver = new webdriver.Builder()
            .usingServer('http://localhost:4444/wd/hub')
            .withCapabilities({ browserName: 'firefox' })
            .build();
        driver.manage().timeouts().implicitlyWait(20000);
    });

    testIT(test);

    test.after(function () {
        driver.quit();
    });

});