vue-forum.test.js

const puppeteer = require('puppeteer')
const pageUrl = 'https://forum.vuejs.org/c/chinese'
const selectorTitle = '#reply-title'
const selectorContent = '.ember-text-area'
const btnLogin = '.login-button'
const btnGithub = '.btn-social.github'

puppeteer
  .launch({
    headless: false,
    userDataDir: __dirname + '/user-dir'
  })
  .then(browser => {
    browser.newPage().then(async page => {
      await page.setViewport({width: 1280, height: 800})
      await page.goto(pageUrl)

      if ((await page.$(btnLogin)) !== null) {
        await page.click(btnLogin)

        await page.waitForSelector(btnGithub)
        await page.click(btnGithub)

        await page.waitFor(3000)
      }

      await page.click('#create-topic')
      await page.waitFor(500)

      await page.type(selectorTitle, 'title')
      await page.type(selectorContent, 'content')
    })
  })