Move orphaned api test - deux

According to changes [1,2], API tests' new home is under neutron/tests/api.
Change 92d2054f8a slipped through the cracks. It seems also that wrong
imports lead to tests silently dropped (i.e. not executed). This patch
rectifies the issue.

 [1] https://review.openstack.org/#/c/169850/
 [2] https://review.openstack.org/#/c/167320/

Change-Id: I64be376d7cff9512bd027720116dc039831e7955
2 files changed
tree: f4887eaaace87d2608f4076af66d074120af2a79
  1. neutron/