sfn.js

const Nightmare = require('nightmare');
const nightmare = Nightmare({show:true});

//nightmare.useragent('Headless')
nightmare.cookies.set({
    url: 'https://mastering-phoenix-framework-federicoesparza.c9users.io:8081/',
    name: 'c9.live.user.click-through',
    value: 'ok',
    path: '/',
    secure: true,
    domain: '.mastering-phoenix-framework-federicoesparza.c9users.io',
    expires: '2187-08-16T13:12:47.580Z'
  })
  .goto('https://mastering-phoenix-framework-federicoesparza.c9users.io:8081')
 //  .click('a.solid.fat.info.button')
 //  .wait('.App-title')
  // .type("#yt_link", "http://yt.link")
  // .click("input[name = 'Submit']")
  // .wait(1000)
  .click("#videos_page_link")
  //.wait(1000)
  // .goto('https://mastering-phoenix-framework-federicoesparza.c9users.io:8081/videos')
  .evaluate(() =>
     document.body.textContent
     // document.querySelector('.App-title') # not working for some reason
  )
  .end()
  .then((text) => {
    console.log(text);
    //expect(text).to.include('http://yt.link');
    //done();
  })
//  .catch(done);