Updates deprecated Devise methods

app/controllers/devise/two_factor_authentication_controller.rb

@@ -33,7 +33,7 @@ class Devise::TwoFactorAuthenticationController < DeviseController
     end
 
     warden.session(resource_name)[TwoFactorAuthentication::NEED_AUTHENTICATION] = false
-    sign_in resource_name, resource, :bypass => true
+    bypass_sign_in(resource, scope: resource_name)
     set_flash_message :notice, :success
     resource.update_attribute(:second_factor_attempts_count, 0)
 

spec/support/controller_helper.rb

@@ -7,7 +7,7 @@ module ControllerHelper
 end
 
 RSpec.configure do |config|
-  config.include Devise::TestHelpers, type: :controller
+  config.include Devise::Test::ControllerHelpers, type: :controller
   config.include ControllerHelper, type: :controller
 
   config.before(:example, type: :controller) do