diff --git a/Rakefile b/Rakefile
index f09aec6..8dc1875 100644
--- a/Rakefile
+++ b/Rakefile
@@ -1,6 +1,6 @@
 require "bundler/gem_tasks"
 
-APP_RAKEFILE = File.expand_path("../spec/dummy/Rakefile", __FILE__)
+APP_RAKEFILE = File.expand_path("../spec/rails_app/Rakefile", __FILE__)
 load 'rails/tasks/engine.rake'
 
 desc "Run all specs in spec directory (excluding plugin specs)"
diff --git a/spec/dummy/app/models/user.rb b/spec/dummy/app/models/user.rb
deleted file mode 100644
index d61264f..0000000
--- a/spec/dummy/app/models/user.rb
+++ /dev/null
@@ -1,11 +0,0 @@
-class User < ActiveRecord::Base
-  # Include default devise modules. Others available are:
-  # :confirmable, :lockable, :timeoutable and :omniauthable
-  devise :two_factor_authenticatable, :database_authenticatable, :registerable,
-         :recoverable, :rememberable, :trackable, :validatable,
-         :two_factor_authenticatable
-
-  # Setup accessible (or protected) attributes for your model
-  attr_accessible :email, :password, :password_confirmation, :remember_me
-  # attr_accessible :title, :body
-end
diff --git a/spec/dummy/db/test.sqlite3 b/spec/dummy/db/test.sqlite3
deleted file mode 100644
index 675301f..0000000
Binary files a/spec/dummy/db/test.sqlite3 and /dev/null differ
diff --git a/spec/dummy/log/.gitkeep b/spec/dummy/log/.gitkeep
deleted file mode 100644
index e69de29..0000000
diff --git a/spec/dummy/README.rdoc b/spec/rails_app/README.rdoc
similarity index 100%
rename from spec/dummy/README.rdoc
rename to spec/rails_app/README.rdoc
diff --git a/spec/dummy/Rakefile b/spec/rails_app/Rakefile
similarity index 100%
rename from spec/dummy/Rakefile
rename to spec/rails_app/Rakefile
diff --git a/spec/dummy/app/assets/javascripts/application.js b/spec/rails_app/app/assets/javascripts/application.js
similarity index 100%
rename from spec/dummy/app/assets/javascripts/application.js
rename to spec/rails_app/app/assets/javascripts/application.js
diff --git a/spec/dummy/app/assets/javascripts/home.js b/spec/rails_app/app/assets/javascripts/home.js
similarity index 100%
rename from spec/dummy/app/assets/javascripts/home.js
rename to spec/rails_app/app/assets/javascripts/home.js
diff --git a/spec/dummy/app/assets/stylesheets/application.css b/spec/rails_app/app/assets/stylesheets/application.css
similarity index 100%
rename from spec/dummy/app/assets/stylesheets/application.css
rename to spec/rails_app/app/assets/stylesheets/application.css
diff --git a/spec/dummy/app/assets/stylesheets/home.css b/spec/rails_app/app/assets/stylesheets/home.css
similarity index 100%
rename from spec/dummy/app/assets/stylesheets/home.css
rename to spec/rails_app/app/assets/stylesheets/home.css
diff --git a/spec/dummy/app/controllers/application_controller.rb b/spec/rails_app/app/controllers/application_controller.rb
similarity index 100%
rename from spec/dummy/app/controllers/application_controller.rb
rename to spec/rails_app/app/controllers/application_controller.rb
diff --git a/spec/dummy/app/controllers/home_controller.rb b/spec/rails_app/app/controllers/home_controller.rb
similarity index 100%
rename from spec/dummy/app/controllers/home_controller.rb
rename to spec/rails_app/app/controllers/home_controller.rb
diff --git a/spec/dummy/app/helpers/application_helper.rb b/spec/rails_app/app/helpers/application_helper.rb
similarity index 100%
rename from spec/dummy/app/helpers/application_helper.rb
rename to spec/rails_app/app/helpers/application_helper.rb
diff --git a/spec/dummy/app/helpers/home_helper.rb b/spec/rails_app/app/helpers/home_helper.rb
similarity index 100%
rename from spec/dummy/app/helpers/home_helper.rb
rename to spec/rails_app/app/helpers/home_helper.rb
diff --git a/spec/dummy/app/mailers/.gitkeep b/spec/rails_app/app/mailers/.gitkeep
similarity index 100%
rename from spec/dummy/app/mailers/.gitkeep
rename to spec/rails_app/app/mailers/.gitkeep
diff --git a/spec/dummy/app/models/.gitkeep b/spec/rails_app/app/models/.gitkeep
similarity index 100%
rename from spec/dummy/app/models/.gitkeep
rename to spec/rails_app/app/models/.gitkeep
diff --git a/spec/rails_app/app/models/user.rb b/spec/rails_app/app/models/user.rb
new file mode 100644
index 0000000..743d176
--- /dev/null
+++ b/spec/rails_app/app/models/user.rb
@@ -0,0 +1,7 @@
+class User < ActiveRecord::Base
+  devise :two_factor_authenticatable, :database_authenticatable, :registerable,
+         :recoverable, :rememberable, :trackable, :validatable,
+         :two_factor_authenticatable
+
+  has_one_time_password
+end
diff --git a/spec/dummy/app/views/home/index.html.erb b/spec/rails_app/app/views/home/index.html.erb
similarity index 100%
rename from spec/dummy/app/views/home/index.html.erb
rename to spec/rails_app/app/views/home/index.html.erb
diff --git a/spec/dummy/app/views/layouts/application.html.erb b/spec/rails_app/app/views/layouts/application.html.erb
similarity index 100%
rename from spec/dummy/app/views/layouts/application.html.erb
rename to spec/rails_app/app/views/layouts/application.html.erb
diff --git a/spec/dummy/config.ru b/spec/rails_app/config.ru
similarity index 100%
rename from spec/dummy/config.ru
rename to spec/rails_app/config.ru
diff --git a/spec/dummy/config/application.rb b/spec/rails_app/config/application.rb
similarity index 100%
rename from spec/dummy/config/application.rb
rename to spec/rails_app/config/application.rb
diff --git a/spec/dummy/config/boot.rb b/spec/rails_app/config/boot.rb
similarity index 100%
rename from spec/dummy/config/boot.rb
rename to spec/rails_app/config/boot.rb
diff --git a/spec/dummy/config/database.yml b/spec/rails_app/config/database.yml
similarity index 100%
rename from spec/dummy/config/database.yml
rename to spec/rails_app/config/database.yml
diff --git a/spec/dummy/config/environment.rb b/spec/rails_app/config/environment.rb
similarity index 100%
rename from spec/dummy/config/environment.rb
rename to spec/rails_app/config/environment.rb
diff --git a/spec/dummy/config/environments/development.rb b/spec/rails_app/config/environments/development.rb
similarity index 88%
rename from spec/dummy/config/environments/development.rb
rename to spec/rails_app/config/environments/development.rb
index 677b4ff..85f5319 100644
--- a/spec/dummy/config/environments/development.rb
+++ b/spec/rails_app/config/environments/development.rb
@@ -20,9 +20,6 @@ Dummy::Application.configure do
   # Only use best-standards-support built into browsers
   config.action_dispatch.best_standards_support = :builtin
 
-  # Raise exception on mass assignment protection for Active Record models
-  config.active_record.mass_assignment_sanitizer = :strict
-
   # Do not compress assets
   config.assets.compress = false
 
diff --git a/spec/dummy/config/environments/production.rb b/spec/rails_app/config/environments/production.rb
similarity index 100%
rename from spec/dummy/config/environments/production.rb
rename to spec/rails_app/config/environments/production.rb
diff --git a/spec/dummy/config/environments/test.rb b/spec/rails_app/config/environments/test.rb
similarity index 90%
rename from spec/dummy/config/environments/test.rb
rename to spec/rails_app/config/environments/test.rb
index fc10177..4feff96 100644
--- a/spec/dummy/config/environments/test.rb
+++ b/spec/rails_app/config/environments/test.rb
@@ -27,9 +27,6 @@ Dummy::Application.configure do
   # ActionMailer::Base.deliveries array.
   config.action_mailer.delivery_method = :test
 
-  # Raise exception on mass assignment protection for Active Record models
-  config.active_record.mass_assignment_sanitizer = :strict
-
   # Print deprecation notices to the stderr
   config.active_support.deprecation = :stderr
 end
diff --git a/spec/dummy/config/initializers/backtrace_silencers.rb b/spec/rails_app/config/initializers/backtrace_silencers.rb
similarity index 100%
rename from spec/dummy/config/initializers/backtrace_silencers.rb
rename to spec/rails_app/config/initializers/backtrace_silencers.rb
diff --git a/spec/dummy/config/initializers/devise.rb b/spec/rails_app/config/initializers/devise.rb
similarity index 100%
rename from spec/dummy/config/initializers/devise.rb
rename to spec/rails_app/config/initializers/devise.rb
diff --git a/spec/dummy/config/initializers/inflections.rb b/spec/rails_app/config/initializers/inflections.rb
similarity index 100%
rename from spec/dummy/config/initializers/inflections.rb
rename to spec/rails_app/config/initializers/inflections.rb
diff --git a/spec/dummy/config/initializers/mime_types.rb b/spec/rails_app/config/initializers/mime_types.rb
similarity index 100%
rename from spec/dummy/config/initializers/mime_types.rb
rename to spec/rails_app/config/initializers/mime_types.rb
diff --git a/spec/dummy/config/initializers/secret_token.rb b/spec/rails_app/config/initializers/secret_token.rb
similarity index 100%
rename from spec/dummy/config/initializers/secret_token.rb
rename to spec/rails_app/config/initializers/secret_token.rb
diff --git a/spec/dummy/config/initializers/session_store.rb b/spec/rails_app/config/initializers/session_store.rb
similarity index 80%
rename from spec/dummy/config/initializers/session_store.rb
rename to spec/rails_app/config/initializers/session_store.rb
index 952473f..6e1fcac 100644
--- a/spec/dummy/config/initializers/session_store.rb
+++ b/spec/rails_app/config/initializers/session_store.rb
@@ -1,6 +1,6 @@
 # Be sure to restart your server when you modify this file.
 
-Dummy::Application.config.session_store :cookie_store, key: '_dummy_session'
+Dummy::Application.config.session_store :cookie_store, key: '_rails_app_session'
 
 # Use the database for sessions instead of the cookie-based default,
 # which shouldn't be used to store highly confidential information
diff --git a/spec/dummy/config/initializers/wrap_parameters.rb b/spec/rails_app/config/initializers/wrap_parameters.rb
similarity index 100%
rename from spec/dummy/config/initializers/wrap_parameters.rb
rename to spec/rails_app/config/initializers/wrap_parameters.rb
diff --git a/spec/dummy/config/locales/devise.en.yml b/spec/rails_app/config/locales/devise.en.yml
similarity index 100%
rename from spec/dummy/config/locales/devise.en.yml
rename to spec/rails_app/config/locales/devise.en.yml
diff --git a/spec/dummy/config/locales/en.yml b/spec/rails_app/config/locales/en.yml
similarity index 100%
rename from spec/dummy/config/locales/en.yml
rename to spec/rails_app/config/locales/en.yml
diff --git a/spec/dummy/config/routes.rb b/spec/rails_app/config/routes.rb
similarity index 100%
rename from spec/dummy/config/routes.rb
rename to spec/rails_app/config/routes.rb
diff --git a/spec/dummy/db/migrate/20140403184646_devise_create_users.rb b/spec/rails_app/db/migrate/20140403184646_devise_create_users.rb
similarity index 100%
rename from spec/dummy/db/migrate/20140403184646_devise_create_users.rb
rename to spec/rails_app/db/migrate/20140403184646_devise_create_users.rb
diff --git a/spec/dummy/db/migrate/20140407172619_two_factor_authentication_add_to_users.rb b/spec/rails_app/db/migrate/20140407172619_two_factor_authentication_add_to_users.rb
similarity index 100%
rename from spec/dummy/db/migrate/20140407172619_two_factor_authentication_add_to_users.rb
rename to spec/rails_app/db/migrate/20140407172619_two_factor_authentication_add_to_users.rb
diff --git a/spec/dummy/db/schema.rb b/spec/rails_app/db/schema.rb
similarity index 100%
rename from spec/dummy/db/schema.rb
rename to spec/rails_app/db/schema.rb
diff --git a/spec/dummy/lib/assets/.gitkeep b/spec/rails_app/lib/assets/.gitkeep
similarity index 100%
rename from spec/dummy/lib/assets/.gitkeep
rename to spec/rails_app/lib/assets/.gitkeep
diff --git a/spec/dummy/public/404.html b/spec/rails_app/public/404.html
similarity index 100%
rename from spec/dummy/public/404.html
rename to spec/rails_app/public/404.html
diff --git a/spec/dummy/public/422.html b/spec/rails_app/public/422.html
similarity index 100%
rename from spec/dummy/public/422.html
rename to spec/rails_app/public/422.html
diff --git a/spec/dummy/public/500.html b/spec/rails_app/public/500.html
similarity index 100%
rename from spec/dummy/public/500.html
rename to spec/rails_app/public/500.html
diff --git a/spec/dummy/public/favicon.ico b/spec/rails_app/public/favicon.ico
similarity index 100%
rename from spec/dummy/public/favicon.ico
rename to spec/rails_app/public/favicon.ico
diff --git a/spec/dummy/script/rails b/spec/rails_app/script/rails
similarity index 100%
rename from spec/dummy/script/rails
rename to spec/rails_app/script/rails
diff --git a/spec/spec_helper.rb b/spec/spec_helper.rb
index 3c943c8..2c61751 100644
--- a/spec/spec_helper.rb
+++ b/spec/spec_helper.rb
@@ -1,5 +1,5 @@
 ENV["RAILS_ENV"] ||= "test"
-require File.expand_path("../dummy/config/environment.rb",  __FILE__)
+require File.expand_path("../rails_app/config/environment.rb",  __FILE__)
 
 require 'two_factor_authentication'