Docker + Xvfb + Chrome + protractor/karma

karma.conf.js

    browsers: ['Chrome_no_sandbox'],
    customLaunchers: {
      Chrome_no_sandbox: {
        base: 'Chrome',
        flags: ['--no-sandbox']
      }
    },

protractor.conf.js

  capabilities: {
    'browserName': 'chrome',
    'chromeOptions': {
      'args': ['no-sandbox']
    }
  },

test.sh

#!/bin/bash

set -xeo pipefail

export DISPLAY=:99.0
export CHROME_BIN=/usr/bin/chromium

install_packages chromium xvfb

Xvfb :99 -ac -screen 0 1280x720x16 -nolisten tcp &

npm install
npm test
npm cache clean