Refactor request_factory & response_validator

test-app/app/controllers/application_controller.rb

@@ -4,4 +4,9 @@ class ApplicationController < ActionController::Base
   protect_from_forgery with: :null_session
 
   wrap_parameters format: [ :json ]
+
+  respond_to :json
+  rescue_from 'ActionController::UnknownFormat' do |ex|
+    head :not_acceptable
+  end
 end

test-app/app/controllers/auth_tests_controller.rb

@@ -1,6 +1,4 @@
 class AuthTestsController < ApplicationController
-  wrap_parameters Blog
-  respond_to :json
 
   # POST /auth-tests/basic
   def basic

test-app/app/controllers/blogs_controller.rb

@@ -1,6 +1,4 @@
 class BlogsController < ApplicationController
-  wrap_parameters Blog
-  respond_to :json
 
   # POST /blogs
   def create