Run legacy tests isolated
Run legacy tests isolated

Rails 3.1 initializer doesn't like being in the same environment as
require 'action_view/test_case'.

github/sprockets-rails,eileencodes/sprockets-rails,rails/sprockets-rails,Andreis13/sprockets-rails,maclover7/sprockets-rails,envato/sprockets-rails,jordan-brough/sprockets-rails,prathamesh-sonpatki/sprockets-rails,jeremy/sprockets-rails,spodlecki/sprockets-rails,zBMNForks/sprockets-rails