Added autoload for mysql test env.

config/environments/test_mysql.rb

@@ -0,0 +1,45 @@
+Zammad::Application.configure do
+  # Settings specified here will take precedence over those in config/application.rb
+
+  # The test environment is used exclusively to run your application's
+  # test suite. You never need to work with it otherwise. Remember that
+  # your test database is "scratch space" for the test suite and is wiped
+  # and recreated between test runs. Don't rely on the data there!
+  config.cache_classes = true
+
+  # Configure static asset server for tests with Cache-Control for performance
+  config.serve_static_assets = true
+  config.static_cache_control = "public, max-age=3600"
+
+  config.assets.compress = false
+  config.assets.compile = true
+  config.assets.digest = true
+
+  # Log error messages when you accidentally call methods on nil
+  config.whiny_nils = true
+
+  # Show full error reports and disable caching
+  config.consider_all_requests_local       = true
+  config.action_controller.perform_caching = true
+
+  # Raise exceptions instead of rendering exception templates
+  config.action_dispatch.show_exceptions = false
+
+  # Tell Action Mailer not to deliver emails to the real world.
+  # The :test delivery method accumulates sent emails in the
+  # ActionMailer::Base.deliveries array.
+  config.action_mailer.delivery_method = :test
+
+  # Raise exception on mass assignment protection for Active Record models
+  config.active_record.mass_assignment_sanitizer = :strict
+
+  # Print deprecation notices to the stderr
+  config.active_support.deprecation = :stderr
+
+  # Disable request forgery protection in test environment
+  config.action_controller.allow_forgery_protection    = false
+
+  # autoload on
+  config.dependency_loading = true
+
+end

db/migrate/20130815000002_update_ticket_number.rb

@@ -1,4 +1,3 @@
-require 'setting'
 class UpdateTicketNumber < ActiveRecord::Migration
   def up
     Setting.create_or_update(