Add engine tasks to Rakefile

Author: excid3

Rakefile

@@ -18,6 +18,10 @@ require "bundler/gem_tasks"
 
 require "rake/testtask"
 
+APP_RAKEFILE = File.expand_path("test/dummy/Rakefile", __dir__)
+load "rails/tasks/engine.rake"
+load "rails/tasks/statistics.rake"
+
 Rake::TestTask.new(:test) do |t|
   t.libs << "test"
   t.pattern = "test/**/*_test.rb"