test/test_signature.rb in oauth-0.4.1 vs test/test_signature.rb in oauth-0.4.2

@@ -1,7 +1,7 @@
 # -*- encoding: utf-8 -*-
 
-require File.dirname(__FILE__) + '/test_helper.rb'
+require File.expand_path('../test_helper', __FILE__)
 
 class TestOauth < Test::Unit::TestCase
 
   def test_parameter_escaping_kcode_invariant
     ruby19 = RUBY_VERSION =~ /^1\.9/