Introduce an API test for specified floating ip address

The test case checks whether admin can set floating IP address when
creates a floating IP.
Implements: blueprint allow-specific-floating-ip-address[1]

[1] https://blueprints.launchpad.net/neutron/+spec/allow-specific-floating-ip-address

Change-Id: I036da37402b826c1a73698e0ae21894a3ce676ab
1 file changed
tree: 7309fa91ae44c1202cc0987dc074fd8fef0b1ac4
  1. neutron/