Updating helper test classes to extend CI_TestCase
diff --git a/tests/codeigniter/helpers/array_helper_test.php b/tests/codeigniter/helpers/array_helper_test.php
index bbefdb4..fd306ce 100644
--- a/tests/codeigniter/helpers/array_helper_test.php
+++ b/tests/codeigniter/helpers/array_helper_test.php
@@ -4,7 +4,7 @@
 
 require_once(BASEPATH.'helpers/array_helper.php');
 
-class Array_helper_test extends PHPUnit_Framework_TestCase
+class Array_helper_test extends CI_TestCase
 {
 	public function setUp()
 	{