diff --git a/engine/libtest.go b/engine/libtest.go
index 4a0a57aac..1bf03c414 100644
--- a/engine/libtest.go
+++ b/engine/libtest.go
@@ -1,3 +1,5 @@
+//go:build integration || flaky || offline || kafka || call || race || performance
+
 /*
 Real-time Online/Offline Charging System (OCS) for Telecom & ISP environments
 Copyright (C) ITsysCOM GmbH