webdriverio-test/index.js

const webdriverio = require('webdriverio');
const chromedriver = require('chromedriver');

// todo: stop works only with 9515
const port = 9515;
const args = [
  // '--url-base=/wd/hub',
  `--port=${port}`,
];

console.log('start chromedriver');
const service = chromedriver.start(args);
console.log('after start')

const options = {
  port,
  path: '/',
  desiredCapabilities: {
    browserName: 'chrome',
    chromeOptions: {
      args: ['--headless', '--disable-gpu'],
    }
  },
};

const client = webdriverio
  .remote(options)
  .init()
  .on('error', (e) => console.error(e))
  .once('end', () => {
    process.nextTick(function () {
      chromedriver.stop();
    });
  })
  .url('https://www.google.com')
  .getTitle().then(function (title) {
    console.log('Title was: ' + title);
  }).catch(console.log)
  .end();