remix-project/test-browser/tests/sauce.js

const https = require('https')

module.exports = function sauce (callback) {
  const currentTest = this.client.currentTest
  const username = this.client.options.username
  const sessionId = this.client.capabilities['webdriver.remote.sessionid']
  const accessKey = this.client.options.accessKey

  if (!this.client.launch_url.match(/saucelabs/)) {
    console.log('Not saucelabs ...')
    return callback()
  }

  if (!username || !accessKey || !sessionId) {
    console.log(this.client)
    console.log('No username, accessKey or sessionId')
    return callback()
  }

  const passed = currentTest.results.passed === currentTest.results.tests

  const data = JSON.stringify({passed})

  const requestPath = `/rest/v1/${username}/jobs/${sessionId}`

  function responseCallback (res) {
    res.setEncoding('utf8')
    console.log('Response: ', res.statusCode, JSON.stringify(res.headers))
    res.on('data', function onData (chunk) {
      console.log('BODY: ' + chunk)
    })
    res.on('end', function onEnd () {
      console.info('Finished updating saucelabs')
      callback()
    })
  }

  try {
    console.log('Updating saucelabs', requestPath)

    const req = https.request({
      hostname: 'saucelabs.com',
      path: requestPath,
      method: 'PUT',
      auth: `${username}:${accessKey}`,
      headers: {
        'Content-Type': 'application/json',
        'Content-Length': data.length
      }
    }, responseCallback)

    req.on('error', function onError (e) {
      console.log('problem with request: ' + e.message)
    })
    req.write(data)
    req.end()
  } catch (error) {
    console.log('Error', error)
    callback()
  }
}