[CVP] Exclude dns nodes in test_single_vip_exists

Change-Id: Ieb6418c7306a52b0937b0db2c06b0d9979d8c672
Related-PROD: PROD-30734
(cherry picked from commit 2a11a6c2f1ef79c57764b7b65e22f664c3868635)
1 file changed
tree: 92964503ca548746ccfe064b20d40233a477169e
  1. bin/
  2. docs/
  3. test_set/
  4. .gitignore
  5. Dockerfile
  6. LICENSE