fix rails console

Author: Luca Bartolotti

Gemfile

@@ -6,6 +6,8 @@ gem 'rails', '3.2.6'
 # gem 'rails', :git => 'git://github.com/rails/rails.git'
 
 gem 'pg'
+gem 'minitest'
+gem 'test-unit'
 
 # Gems used only for assets and not required
 # in production environments by default.