spec_helper.rb

spec.rb

scenario "have ability to edit profile", :js => true do
  @ability.should be_able_to(:edit, @profile)
end

spec_helper.rb

RSpec.configure do |config| 
  config.include Capybara
 
  config.before(:each) do
    Capybara.current_driver = :akephalos if example.metadata[:js]
  end
  
  config.after(:each) do
    Capybara.use_default_driver if example.metadata[:js]
  end
  
end