Rails Capybara System Tests Setup

capysetup.rb

# Gemfile
gem 'selenium-webdriver'

# test/application_system_test_case.rb (or capy setup file)
require 'test_helper'

Capybara.server = :webrick

Webdrivers::Chromedriver.required_version = '2.36'
driver_path = Webdrivers::Chromedriver.update
Selenium::WebDriver::Chrome::Service.driver_path = driver_path

class ApplicationSystemTestCase < ActionDispatch::SystemTestCase
  Capybara.register_driver :headless_chrome do |app|
    Capybara::Selenium::Driver.new(
      app,
      browser: :chrome,
      desired_capabilities: Selenium::WebDriver::Remote::Capabilities.chrome(
        'chromeOptions' => {
          'args' => ['headless', 'disable-gpu', 'no-sandbox', 'window-size=1280,1024'],
          'binary' => ENV['GOOGLE_CHROME_SHIM']
        }.reject { |_k, v| v.nil? }
      )
    )
  end

  driven_by :headless_chrome
end