gistfile1.rb

# spec/support/feature_sigin_helpers.rb
# Just some useful namespace
module KrackenFeatures
  module SignInHelpers
  
    def sign_in(person)
      visit new_user_session_path
  
      fill_in 'Email',            with: person.email
      fill_in 'Password',         with: person.password
      click_button 'Sign in'
    end

  end
end


# Manually include per feature spec
require 'spec_helper'

feature 'Placing an order' do
  
  include KrackenFeatures::SignInHelpers

  given(:john_smith) { }

  # stuff

end


# If you wish to use metadata instead
# spec/spec_helper.rb

# stuff

RSpec.configure do |config|

  # stuff
  
  config.include KrackenFeatures::SignInHelpers, signinable: true

end

# then in the spec file
feature 'Placing an order', :signinable do
end