gistfile1.rb

# Use @ff_with_basic_auth if you need http basic authorization
Capybara.register_driver :ff_with_basic_auth do |app|
  Capybara::Driver::Selenium
  profile = Selenium::WebDriver::Firefox::Profile.new
  profile['network.http.phishy-userpass-length'] = 1024

  Capybara::Driver::Selenium.new(app, { :profile => profile })
end

Before("@ff_with_basic_auth") do
  Capybara.current_driver = :ff_with_basic_auth
end