diff --git a/test/helper.rb b/test/helper.rb
index 5f4cca8c0bdaa200bb08955fb8befde99cca686e..dd3218dd554cded2a504df6f5beaad33b46a372e 100644
--- a/test/helper.rb
+++ b/test/helper.rb
@@ -1,4 +1,10 @@
 require 'test/unit'
+
+begin
+  require 'redgreen'
+rescue LoadError
+end
+
 $LOAD_PATH.unshift File.dirname(__FILE__) + '/../lib'
 require 'hub'
 require 'hub/standalone'