Updated openstack/openstack
Project: openstack/tempest  fcd325535e06a7b4a884427c998930cb286b77df

Sahara: minor changes for API tests

* Code refactoring of "test_node_group_template_create" test
  (file test_node_group_templates.py) was done.
* Unnecessary blank lines were removed.

Partially implements: blueprint savanna-api-tests

Change-Id: Id21edafcc4d1d0345b72404a55bbf9d69618cd95