Add API test to ensure IPs can be added by subnet

A user should be able to request additional fixed IPs
from the same subnet they already have an IP from.
This prevents a regression from that behavior.

Related-Bug: #1623800
Change-Id: I1867963e027f8d240580ada89b540443f74ed684
1 file changed
tree: 2cbb8e740d9d06c5183f1fec92641bbb05badec5
  1. neutron/