import puppeteer from 'puppeteer' describe('Login', () => { let browser let page beforeAll(async () => { browser = await puppeteer.launch({ args: ['--no-sandbox'] }) }) beforeEach(async () => { page = await browser.newPage() await page.goto('http://localhost:8000/en/login', { waitUntil: 'networkidle2', }) }) afterEach(() => page.close()) it('should login with failure', async () => { await page.waitFor(selector => !!document.querySelector('#username'), { timeout: 3000, }) await page.type('#username', 'wrong_user') await page.type('#password', 'wrong_password') await page.click('button[type="button"]') await page.waitForSelector('.anticon-close-circle') // should display error }) afterAll(() => browser.close()) })