Gemfile in aes-0.5.0 vs Gemfile in aes-0.5.1

@@ -4,9 +4,10 @@
 #   gem "activesupport", ">= 2.3.5"
 
 # Add dependencies to develop your gem here.
 # Include everything needed to run rake, tests, features, etc.
 group :development do
+  gem "test-unit"
   gem "shoulda"
   gem "bundler" 
   gem "jeweler" 
   gem "simplecov"
 end