Fix test_single_vip_exists for offline deployment

Releted-prod: PROD-34233
Change-Id: Ided77af2c2a25bc30532445f13270c84aae5a95c
(cherry picked from commit 9d8f62ff33570d4804f5c1e3e8283e9768f7a9f7)
diff --git a/test_set/cvp-sanity/tests/test_single_vip.py b/test_set/cvp-sanity/tests/test_single_vip.py
index f0e7d68..dc18e0c 100644
--- a/test_set/cvp-sanity/tests/test_single_vip.py
+++ b/test_set/cvp-sanity/tests/test_single_vip.py
@@ -19,7 +19,7 @@
                         else ""
     no_vip = {}
     for group in groups:
-        if group in ['cmp', 'cfg', 'kvm', 'cmn', 'osd', 'gtw', 'dns']:
+        if group in ['cmp', 'cfg', 'kvm', 'cmn', 'osd', 'gtw', 'dns', 'apt']:
             continue
         nodes_list = local_salt_client.cmd(
             tgt="L@" + ','.join(groups[group]),