diff --git a/tests/engine_test.php b/tests/engine_test.php
index efb6e51..f8fe7d8 100644
--- a/tests/engine_test.php
+++ b/tests/engine_test.php
@@ -35,7 +35,7 @@
  * @copyright   2017 Catalyst IT
  * @license     http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
  */
-class search_postgresfulltext_engine_testcase extends advanced_testcase {
+class search_postgresfulltext_engine_testcase extends \core_phpunit\testcase {
 
     /**
      * @var \core_search::manager