Make CI_Unit_test::set_test_items()'s parameter mandatory (optional doesn't make sense)
diff --git a/system/libraries/Unit_test.php b/system/libraries/Unit_test.php
index 53e4dfa..e412b98 100644
--- a/system/libraries/Unit_test.php
+++ b/system/libraries/Unit_test.php
@@ -110,10 +110,10 @@
*
* Runs the supplied tests
*
- * @param array
+ * @param array $items
* @return void
*/
- public function set_test_items($items = array())
+ public function set_test_items($items)
{
if ( ! empty($items) && is_array($items))
{