Move API tests to neutron.test.api

To make api test development simpler, move the tests to
neutron.tests.api.  The neutron.tests.tempest subtree will remain
while work continues to transition the required functionality to
tempest-lib.

Change-Id: Ie90671fbfe2f633e851da82728e152482133fd87
37 files changed
tree: ae5d9338a542b1940d7dc5a2402cce9168e7f610
  1. neutron/