Separate Devise test methods from Devise

test/rails_app/app/active_record/user.rb

@@ -3,5 +3,5 @@ require 'shared_user'
 class User < ActiveRecord::Base
   include Shim
   include SharedUser
-  include ActiveModel::Serializers::Xml if Devise.rails5?
+  include ActiveModel::Serializers::Xml if Devise::Test.rails5?
 end

test/rails_app/app/controllers/home_controller.rb

@@ -20,7 +20,7 @@ class HomeController < ApplicationController
   end
 
   def unauthenticated
-    if Devise.rails5?
+    if Devise::Test.rails5?
       render body: "unauthenticated", status: :unauthorized
     else
       render text: "unauthenticated", status: :unauthorized

test/rails_app/app/controllers/users/omniauth_callbacks_controller.rb

@@ -9,6 +9,6 @@ class Users::OmniauthCallbacksController < Devise::OmniauthCallbacksController
     user = User.to_adapter.find_first(email: 'user@test.com')
     user.remember_me = true
     sign_in user
-    render (Devise.rails5? ? :body : :text) => ""
+    render (Devise::Test.rails5? ? :body : :text) => ""
   end
 end

test/rails_app/app/controllers/users_controller.rb

@@ -13,7 +13,7 @@ class UsersController < ApplicationController
   end
 
   def update_form
-    render (Devise.rails5? ? :body : :text) => 'Update'
+    render (Devise::Test.rails5? ? :body : :text) => 'Update'
   end
 
   def accept
@@ -21,11 +21,11 @@ class UsersController < ApplicationController
   end
 
   def exhibit
-    render (Devise.rails5? ? :body : :text) => current_user ? "User is authenticated" : "User is not authenticated"
+    render (Devise::Test.rails5? ? :body : :text) => current_user ? "User is authenticated" : "User is not authenticated"
   end
 
   def expire
     user_session['last_request_at'] = 31.minutes.ago.utc
-    render (Devise.rails5? ? :body : :text) => 'User will be expired on next request'
+    render (Devise::Test.rails5? ? :body : :text) => 'User will be expired on next request'
   end
 end