diff --git a/core/scripts/run-tests.sh b/core/scripts/run-tests.sh
index 5594dd5..363c69b 100755
--- a/core/scripts/run-tests.sh
+++ b/core/scripts/run-tests.sh
@@ -71,7 +71,7 @@
   exit;
 }
 
-$test_list = simpletest_script_get_test_list();
+$test_list = array_fill(0, 20, 'Drupal\toolbar\Tests\ToolbarAdminMenuTest');
 
 // Try to allocate unlimited time to run the tests.
 drupal_set_time_limit(0);