diff --git a/tests/mock/notification_manager.php b/tests/mock/notification_manager.php
new file mode 100644
index 0000000000..fdcd681de4
--- /dev/null
+++ b/tests/mock/notification_manager.php
@@ -0,0 +1,76 @@
+<?php
+/**
+*
+* @package notifications
+* @copyright (c) 2012 phpBB Group
+* @license http://opensource.org/licenses/gpl-2.0.php GNU General Public License v2
+*
+*/
+
+/**
+* @ignore
+*/
+if (!defined('IN_PHPBB'))
+{
+	exit;
+}
+
+/**
+* Notifications service class
+* @package notifications
+*/
+class phpbb_mock_notification_manager
+{
+	public function load_notifications()
+	{
+		return array(
+			'notifications'		=> array(),
+			'unread_count'		=> 0,
+		);
+	}
+
+	public function mark_notifications_read() {}
+
+	public function mark_notifications_read_by_parent() {}
+
+	public function mark_notifications_read_by_id() {}
+
+
+	public function add_notifications()
+	{
+		return array();
+	}
+
+	public function add_notifications_for_users() {}
+
+	public function update_notifications() {}
+
+	public function delete_notifications() {}
+
+	public function get_subscription_types()
+	{
+		return array();
+	}
+
+	public function get_subscription_methods()
+	{
+		return array();
+	}
+
+
+	public function get_subscriptions()
+	{
+		return array();
+	}
+
+	public function add_subscription() {}
+
+	public function delete_subscription() {}
+
+	public function load_users() {}
+
+	public function get_user()
+	{
+		return null;
+	}
+}
diff --git a/tests/privmsgs/delete_user_pms_test.php b/tests/privmsgs/delete_user_pms_test.php
index 265df1596a..3622eb30db 100644
--- a/tests/privmsgs/delete_user_pms_test.php
+++ b/tests/privmsgs/delete_user_pms_test.php
@@ -81,9 +81,10 @@ class phpbb_privmsgs_delete_user_pms_test extends phpbb_database_test_case
 	*/
 	public function test_delete_user_pms($delete_user, $remaining_privmsgs, $remaining_privmsgs_to)
 	{
-		global $db;
+		global $db, $phpbb_notifications;
 
 		$db = $this->new_dbal();
+		$phpbb_notifications = new phpbb_mock_notification_manager();
 
 		phpbb_delete_user_pms($delete_user);