Add rspec and request tests

config/routes.rb

@@ -1,6 +1,7 @@
 Rails.application.routes.draw do
   devise_for :users
-  get 'dictionary/index'
+  #get 'dictionary/index'
+  resources :dictionary, only: [:index]
   # Define your application routes per the DSL in https://guides.rubyonrails.org/routing.html
 
   # Reveal health status on /up that returns 200 if the app boots with no exceptions, otherwise 500.