[test_cinder_services] Verify backend existence before testing
Added docstring to the method

Change-Id: I511b9876e5a65f21a4cc823e616a29166b5b9cb4
Fixes-bug:#PROD-28523(PROD:28523)
1 file changed
tree: bb878f53fb541e9e89dcd4b477b9ae214696821d
  1. bin/
  2. docs/
  3. test_set/
  4. .gitignore
  5. Dockerfile
  6. LICENSE