Trivial: Reorder unit tests in test_type.py
Trivial: Reorder unit tests in test_type.py

Unit test classes should be in alphabetical order.

Change-Id: Ie741e1c170d8cc361d95d036115d0952e5108088

redhat-openstack/python-openstackclient,openstack/python-openstackclient,dtroyer/python-openstackclient,openstack/python-openstackclient,redhat-openstack/python-openstackclient,dtroyer/python-openstackclient