module Tork::Railtie::ActiveRecord::Base
keep sub-Rails connected to in-memory database e.g. when another Rails is started by Capybara www.spacevatican.org/2012/8/18/threading-the-rat/
keep sub-Rails connected to in-memory database e.g. when another Rails is started by Capybara www.spacevatican.org/2012/8/18/threading-the-rat/