tempest: Use primary user token

This change uses an non-admin user for the autoscaling tests.

This should avoid future bug like
https://bugs.launchpad.net/aodh/+bug/1703824

Change-Id: Ia8b5244aee9b6fedb9f205c32fef968e12061e37
2 files changed
tree: 81aa8fd92253e64043205b89056ee993cde54ee8
  1. ceilometer/