Timeout does not explode when reset_authentication_token! is accidentally defined by Active Model

test/rails_app/app/controllers/admins_controller.rb

@@ -3,4 +3,9 @@ class AdminsController < ApplicationController
 
   def index
   end
+
+  def expire
+    admin_session['last_request_at'] = 31.minutes.ago.utc
+    render :text => 'Admin will be expired on next request'
+  end
 end