--- test/abstract_unit.rb.~1~	2011-02-21 21:00:04.915399284 +0100
+++ test/abstract_unit.rb	2011-02-21 21:01:24.731154999 +0100
@@ -1,5 +1,8 @@
 require 'rubygems'
 require 'test/unit'
+
+gem 'activesupport', '~>2.3'
+
 require 'active_support/test_case'
 
 $:.unshift File.expand_path('../../lib', __FILE__)