Solve Error Devise with RSpec and Rails 4 uninitialized constant ControllerMacros

controller_macros.rb

module ControllerMacros
  def login_admin
    before(:each) do
      @request.env["devise.mapping"] = Devise.mappings[:admin]
      sign_in FactoryGirl.create(:user) 
    end
  end

  def login_user
    before(:each) do
      @request.env["devise.mapping"] = Devise.mappings[:user]
      user = FactoryGirl.create(:user)
      sign_in user
    end
  end
end

Error_Terminal

.../spec/spec_helper.rb:27:in `block (2 levels) in <top (required)>': uninitialized constant ControllerMacros (NameError)

links_controller_spec.rb

require 'spec_helper'

Rspec.describe LinkController do
  
      context 'user has login' do
        login_user
      it 'request edit link' do
        get :edit, id: link
        expect(assigns(:link)).to eq link
      end
    end

  
end

rails_helper.rb

ENV['RAILS_ENV'] ||= 'test'
require File.expand_path('../../config/environment', __FILE__)

abort("The Rails environment is running in production mode!") if Rails.env.production?
require 'spec_helper'
require 'rspec/rails'
require 'devise'

ActiveRecord::Migration.maintain_test_schema!

Dir[Rails.root.join('spec/support/**/*.rb')].each { |f| require f }
RSpec.configure do |config|
  # Remove this line if you're not using ActiveRecord or ActiveRecord fixtures
  config.fixture_path = "#{::Rails.root}/spec/fixtures"
  config.include FactoryGirl::Syntax::Methods
  config.include Devise::Test::ControllerHelpers, type: :controller
  config.extend ControllerMacros, type: :controller
  
  config.use_transactional_fixtures = true

  
 
  config.infer_spec_type_from_file_location!


  config.filter_rails_from_backtrace!
 
end

in rails_helper.rb

Dir[Rails.root.join('spec/support/**/*.rb')].each { |f| require f }