Fix error msg for wrong auth_url in functional

If auth_url config is specified without version, functional
tests raises IndexError with message 'list out of range'. Need
to add check for auth_url and if it's set incorrectly, raise
correct error with message about wrong auth_url config.

Change-Id: I78626530138e76ebf43cd186bacac83f1ff48b41
Closes-bug: #1552325
1 file changed
tree: 0c14583ad069f5f6811fce470cfc728e4490dc3d
  1. common/
  2. functional/
  3. scenario/