Put these in spec/support/ , but not example_request_spec.rb

authentication_helpers.rb

module AuthenticationHelpers
  def log_in_as(model)
    login_as(model)
  end
end

RSpec.configure do |config|
  config.include AuthenticationHelpers, :type => :request
  config.include Devise::TestHelpers, :type => :controller
end

example_request_spec.rb

describe "My Account" do

  context "as a logged in User" do
    before(:each) do
      log_in_as(user)
    end
  end
end

warden.rb

RSpec.configure do |config|
  config.include Warden::Test::Helpers, :type => :request

  config.before :each, :type => :request do
    Warden.test_mode!
  end

  config.after :each, :type => :request do
    Warden.test_reset!
  end
end