Add missing require for minitest assertions. Breaks calling 'app' in console otherwise. See 94248ff.

jeremy · jeremy · commit a27b5178d9f1 · 2012-10-25T20:30:11.000-07:00
diff --git a/actionpack/lib/action_dispatch/testing/integration.rb b/actionpack/lib/action_dispatch/testing/integration.rb
@@ -3,6 +3,7 @@
 require 'active_support/core_ext/kernel/singleton_class'
 require 'active_support/core_ext/object/try'
 require 'rack/test'
+require 'minitest/unit'
 
 module ActionDispatch
   module Integration #:nodoc:
