diff --git a/tcp_tests/tests/system/conftest.py b/tcp_tests/tests/system/conftest.py
index ec3846d..64288ab 100644
--- a/tcp_tests/tests/system/conftest.py
+++ b/tcp_tests/tests/system/conftest.py
@@ -52,6 +52,7 @@
     # oss_fixtures
     'oss_actions',
     'oss_deployed',
+    'oss_sl_os_deployed',
     # decapod_fixtures
     'decapod_actions',
     'decapod_deployed',