move utils spec to a more conventional location

Signed-off-by: Tyler Pickett <t.pickett66@gmail.com>

spec/casserver/utils_spec.rb

@@ -1,5 +1,5 @@
 # encoding: UTF-8
-require File.dirname(__FILE__) + '/spec_helper'
+require 'spec_helper'
 
 module CASServer
 end