user_helpers.rb

module UserHelpers
  def new_user
    user = Fabricate(:user)
    session[:user_id] = user.id
  end
  
  def current_user
    User.find(session[:user_id])
  end
  
  def clear_current_user
    session[:user_id] = nil
  end
end

RSpec.configure { |c| c.include(UserHelpers) }