qos: added api sorting/pagination tests for policies

API tests were modified to support admin listing mode. This is needed
for QoS resources because the default policy file does not allow to
create policies, and we should avoid using shared policies due to races.

Related-Bug: #1566514
Depends-On: I8b553ab22846122dde22372f9901e46a5276ee8e
Change-Id: Ie3a66d2a7c05143df3da1c56c8e8a5308d4bae91
3 files changed
tree: ec37d8b80d37e3078a23990576517fb86ee1c89b
  1. neutron/