test: update how Selenium is configured

spec/dummy/spec/rails_helper.rb

@@ -18,6 +18,8 @@
  options = Selenium::WebDriver::Chrome::Options.new
  options.add_argument("--headless")
  options.add_argument("--disable-gpu")
+ options.add_argument("--no-sandbox")
+ options.add_argument("--disable-dev-shm-usage")
  Capybara::Selenium::Driver.new(app, browser: :chrome, options: options)
 end
 
@@ -76,21 +78,6 @@
 
  # Capybara config
  config.include Capybara::DSL
- #
- # selenium_firefox webdriver only works for Travis-CI builds.
- default_driver = :selenium_chrome_headless
-
- supported_drivers = %i[selenium_chrome_headless selenium_chrome selenium selenium_headless]
- driver = ENV["DRIVER"].try(:to_sym).presence || default_driver
- Capybara.javascript_driver = driver
- Capybara.default_driver = driver
-
- raise "Unsupported driver: #{driver} (supported = #{supported_drivers})" unless supported_drivers.include?(driver)
-
- Capybara.register_server(Capybara.javascript_driver) do |app, port|
- require "rack/handler/puma"
- Rack::Handler::Puma.run(app, Port: port)
- end
 
  config.before(:each, type: :system, js: true) do
  driven_by driver