integration.rb

# spec/support/integration.rb
RSpec.configure do |config|
  config.include Integration::SignInHelpers, only: :integration
  config.include Integration::NoticeHelpers, only: :integration
end

notice_helpers.rb

# spec/support/integration/notice_helpers.rb
module Integration
  module NoticeHelpers
    def user_sees_notice(text)
      expect(page).to have_css '.flash.notice', text: text
    end
  end
end

sign_in_helpers.rb

# spec/support/integration/sign_in_helpers.rb

module Integration
  module SignInHelpers
    def sign_in_with(email, password)
      visit sign_in_path
      fill_in 'Email', with: email
      fill_in 'Password', with: password
      click_button 'Sign In'
    end
  end
end

sign_in_spec.rb

# spec/integration/sign_in_spec.rb

feature 'Signing in' do
  background do
    create :user, email: 'person@example.com', password: 'password'
  end

  scenario 'signs the user in successfully with a valid email and password' do
    sign_in_with 'person@example.com', 'password'
    user_sees_welcome_message 'Welcome, person@example.com'
  end

  scenario 'notifies the user if his email or password is invalid' do
    sign_in_with user.email, 'wrong password'
    user_sees_notice 'Invalid email or password'
  end

  def user_sees_welcome_message(text)
    expect(page).to have_css 'nav .greeting', text: text
  end
end

Are drivers other than Capybara compatible with RSpec?