helper.rb in rhubarb-0.2.6

- old
+ new

@@ -2,8 +2,10 @@
 $LOAD_PATH.unshift(File.join(File.dirname(__FILE__), '..', 'lib'))
 
 require 'rhubarb/rhubarb'
 require 'test/unit'
 require 'zlib'
+require 'set'
+require 'ostruct'
 
 class Test::Unit::TestCase
 end