[CVP] Add tags and review SL tests

Change-Id: Ic110e7123f42161911fc49daaaf3a3c045886eae
Related-PROD: PROD-17820
Related-PROD: PROD-20855
diff --git a/test_set/cvp-sanity/tests/test_duplicate_ips.py b/test_set/cvp-sanity/tests/test_duplicate_ips.py
index 3b55a26..bbd532e 100644
--- a/test_set/cvp-sanity/tests/test_duplicate_ips.py
+++ b/test_set/cvp-sanity/tests/test_duplicate_ips.py
@@ -1,7 +1,7 @@
 from collections import Counter
 from pprint import pformat
 import os
-
+import pytest
 import utils
 
 
@@ -14,6 +14,7 @@
     return dup_ifaces
 
 
+@pytest.mark.smoke
 def test_duplicate_ips(local_salt_client):
     testname = os.path.basename(__file__).split('.')[0]
     config = utils.get_configuration()