[CVP,Q4] Add tags and review SL tests

Change-Id: Ic110e7123f42161911fc49daaaf3a3c045886eae
Related-PROD: PROD-30482
diff --git a/test_set/cvp-sanity/tests/test_single_vip.py b/test_set/cvp-sanity/tests/test_single_vip.py
index c18c660..91fcd92 100644
--- a/test_set/cvp-sanity/tests/test_single_vip.py
+++ b/test_set/cvp-sanity/tests/test_single_vip.py
@@ -3,6 +3,7 @@
 import pytest
 
 
+@pytest.mark.smoke
 def test_single_vip_exists(local_salt_client):
     """Test checks that there is only one VIP address
        within one group of nodes (where applicable).