Updating helper test classes to extend CI_TestCase
diff --git a/tests/codeigniter/helpers/string_helper_test.php b/tests/codeigniter/helpers/string_helper_test.php
index 71449f6..00ba5de 100644
--- a/tests/codeigniter/helpers/string_helper_test.php
+++ b/tests/codeigniter/helpers/string_helper_test.php
@@ -2,7 +2,7 @@
require_once(BASEPATH.'helpers/string_helper.php');
-class String_helper_test extends PHPUnit_Framework_TestCase
+class String_helper_test extends CI_TestCase
{
public function testTrimSlashes()
{