Updated openstack/openstack
Project: openstack/tempest  3a5cced5e5d93c5b3617c7ec4db354750e8b1c3e

Migrate test_large_ops to tempest client

This patch migrate the test_large_ops scenario tests
from official client to tempest clients.

Partially-implements: bp:tempest-client-scenarios

Change-Id: I417fba287f212667e08b3b246f222b60249e47b1