Updated openstack/openstack
Project: openstack/tempest  9b6e2ecc2a87573c14bebc58e3b1a3f73f045c73
null
Separate negative tests for test_fixed_ips

Move negative tests from test_fixed_ips.py to test_fixed_ips_negative.py

Partially implements blueprint negative-test-files
Change-Id: I965b85790463eb5de7c77d237996e469b0c4423f