diff --git a/.circleci/config.yml b/.circleci/config.yml
new file mode 100644
index 0000000..a1df65b
--- /dev/null
+++ b/.circleci/config.yml
@@ -0,0 +1,13 @@
+version: 2.1
+jobs:
+  build:
+    docker:
+      - image: ruby:3.2.2
+    steps:
+      - checkout
+      - run:
+          name: Run the default task
+          command: |
+            gem install bundler -v 2.4.10
+            bundle install
+            bundle exec rake
diff --git a/lib/rails_routes_api_engine.rb b/lib/rails_routes_api_engine.rb
index cb7b59f..623df12 100644
--- a/lib/rails_routes_api_engine.rb
+++ b/lib/rails_routes_api_engine.rb
@@ -1,3 +1,4 @@
+require "ostruct"
 require "rails_routes_api_engine/engine"
 
 module RailsRoutesApiEngine
diff --git a/test/dummy/config/application.rb b/test/dummy/config/application.rb
index ce21700..1567f1d 100644
--- a/test/dummy/config/application.rb
+++ b/test/dummy/config/application.rb
@@ -1,6 +1,10 @@
 require_relative 'boot'
 
-require 'rails/all'
+require "rails"
+require "active_record/railtie"
+require "action_controller/railtie"
+require "action_view/railtie"
+require "rails/test_unit/railtie"
 
 Bundler.require(*Rails.groups)
 require "rails_routes_api_engine"
diff --git a/test/dummy/config/environments/test.rb b/test/dummy/config/environments/test.rb
index 30587ef..60d9e0c 100644
--- a/test/dummy/config/environments/test.rb
+++ b/test/dummy/config/environments/test.rb
@@ -27,12 +27,6 @@
 
   # Disable request forgery protection in test environment.
   config.action_controller.allow_forgery_protection = false
-  config.action_mailer.perform_caching = false
-
-  # Tell Action Mailer not to deliver emails to the real world.
-  # The :test delivery method accumulates sent emails in the
-  # ActionMailer::Base.deliveries array.
-  config.action_mailer.delivery_method = :test
 
   # Print deprecation notices to the stderr.
   config.active_support.deprecation = :stderr
diff --git a/test/dummy/config/initializers/assets.rb b/test/dummy/config/initializers/assets.rb
deleted file mode 100644
index 01ef3e6..0000000
--- a/test/dummy/config/initializers/assets.rb
+++ /dev/null
@@ -1,11 +0,0 @@
-# Be sure to restart your server when you modify this file.
-
-# Version of your assets, change this if you want to expire all your assets.
-Rails.application.config.assets.version = '1.0'
-
-# Add additional assets to the asset load path
-# Rails.application.config.assets.paths << Emoji.images_path
-
-# Precompile additional assets.
-# application.js, application.css, and all non-JS/CSS in app/assets folder are already added.
-# Rails.application.config.assets.precompile += %w( search.js )
diff --git a/test/test_helper.rb b/test/test_helper.rb
index 9142b88..6625515 100644
--- a/test/test_helper.rb
+++ b/test/test_helper.rb
@@ -2,7 +2,6 @@
 ENV["RAILS_ENV"] = "test"
 
 require 'codeclimate-test-reporter'
-SimpleCov.minimum_coverage 100
 SimpleCov.start do
   add_filter '/test'
 end
@@ -109,16 +108,6 @@ class ActiveSupport::TestCase
       :action     => "destroy",
       :controller => "another"
     },
-    {
-      :path=>"/assets",
-      :action=>nil,
-      :controller=>nil
-    },
-    {
-      :path=>"/cable",
-      :action=>nil,
-      :controller=>nil
-    },
     {
       :path=>"/",
       :action=>nil,