Add API tests for non-accessible policies

Tests which dealt with creating a rule for a policy that the tenant has
no access to, or for a policy which does not even exist, were missing.
This patch adds them.

Partially-Implements: quantum-qos-api
Change-Id: I0a2679fa1ccfb7bae6083df9a71c6cb5205a21d9
1 file changed
tree: 37c75538b2495d4386fe4af8e0eec49d4ea68f70
  1. neutron/