Fix call for new session path

app/controllers/application_controller.rb

@@ -11,6 +11,6 @@ class ApplicationController < ActionController::Base
   private
 
   def require_authorization
-    redirect_to new_sessions_path unless authorized?
+    redirect_to new_session_path unless authorized?
   end
 end

app/controllers/sessions_controller.rb

@@ -12,7 +12,7 @@ class SessionsController < ApplicationController
     end
 
     if Rails.configuration.entrance_exam_token != params[:token]
-      redirect_to new_sessions_path
+      redirect_to new_session_path
       return
     end