tempest: skip legacy telemetry-api tests

When Gnocchi is enabled, ceilometer-api returns 401 for this tests,
so no need to run them, in this case.

Change-Id: I30ddf64cc47c61d28f1f16593c631364dcfc3f6d
2 files changed
tree: 96093003ade87689c3d576e0f01df960a3748265
  1. ceilometer/