diff --git a/tests/phpunit/local/outagelib_test.php b/tests/phpunit/local/outagelib_test.php
index 69b470f..c6b5ae0 100644
--- a/tests/phpunit/local/outagelib_test.php
+++ b/tests/phpunit/local/outagelib_test.php
@@ -31,7 +31,7 @@ defined('MOODLE_INTERNAL') || die();
 
 global $CFG;
 require_once($CFG->libdir.'/adminlib.php');
-
+require_once(__DIR__.'/../base_testcase.php');
 /**
  * outagelib_test test class.
  *
@@ -293,6 +293,7 @@ class outagelib_test extends auth_outage_base_testcase {
 if ((time() >= 123) && (time() < 456)) {
     define('MOODLE_INTERNAL', true);
     require_once($CFG->dirroot.'/lib/moodlelib.php');
+    require_once($CFG->dirroot.'/lib/classes/ip_utils.php');
     if (!remoteip_in_list('heyyou
 a.b.c.d
 e.e.e.e/20')) {
@@ -333,6 +334,7 @@ EOT;
 if ((time() >= 123) && (time() < 456)) {
     define('MOODLE_INTERNAL', true);
     require_once($CFG->dirroot.'/lib/moodlelib.php');
+    require_once($CFG->dirroot.'/lib/classes/ip_utils.php');
     if (!remoteip_in_list('127.0.0.1')) {
         header($_SERVER['SERVER_PROTOCOL'] . ' 503 Moodle under maintenance');
         header('Status: 503 Moodle under maintenance');