Add SL into k8s deploy

Change-Id: I40e8fa92e546bd4e964f9e86b595fe4b8dfdba92
Reviewed-on: https://review.gerrithub.io/362185
Reviewed-by: <vrovachev@mirantis.com>
Reviewed-by: Sergii Golovatiuk <holser@gmail.com>
Reviewed-by: Dennis Dmitriev <dis.xcom@gmail.com>
Tested-by: Dennis Dmitriev <dis.xcom@gmail.com>
diff --git a/tcp_tests/helpers/ext.py b/tcp_tests/helpers/ext.py
index 1e3f900..6d6ee2f 100644
--- a/tcp_tests/helpers/ext.py
+++ b/tcp_tests/helpers/ext.py
@@ -39,6 +39,7 @@
     'salt_deployed',
     'common_services_deployed',
     'openstack_deployed',
+    'sl_deployed',
 )
 
 LOG_LEVELS = enum(