Refactor: Initialize parser in setUp() in TestNonNegativeAction
Refactor: Initialize parser in setUp() in TestNonNegativeAction

Change-Id: I12846acc4450d31d19897bbdfc6846bde8c8f2ce

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