gibberish: dont use relative path for RAILS_ROOT

Author: defunkt

test/gibberish_test.rb

@@ -10,7 +10,7 @@
 require 'active_support'
 require 'gibberish'
 
-RAILS_ROOT = '.'
+RAILS_ROOT = File.dirname(__FILE__) + '/..'
 Gibberish.load_languages!
 
 context "After loading languages, Gibberish" do