Require hashie/hash explicitly as the behavior of autoload is different on Rubinius.

Author: dblock

spec/spec_helper.rb

@@ -18,6 +18,8 @@ def encode_basic(username, password)
   "Basic " + Base64.encode64("#{username}:#{password}")
 end
 
+require 'hashie/hash'
+
 RSpec.configure do |config|
   config.include Rack::Test::Methods
 end