Fix test warnings

Author: iMattPro

tests/event/listener_test.php

@@ -320,7 +320,9 @@ public static function viewonline_page_data()
 				array(
 					1 => 'index',
 				),
-				array(),
+				array(
+					'session_page' => 'index.' . $phpEx
+				),
 				'$location_url',
 				'$location',
 				'$location_url',