Replace create_test_segment with NetworkSegment object
Replace create_test_segment with NetworkSegment object

This patch will replace the creation of network segment
with Network Segment object in the test_base file.

Change-Id: I9db38ee1f2c74b7014f73a2a7277543659e4d643

huntxu/neutron,cloudbase/neutron,noironetworks/neutron,eayunstack/neutron,huntxu/neutron,openstack/neutron,cloudbase/neutron,noironetworks/neutron,openstack/neutron,mahak/neutron,mahak/neutron,openstack/neutron,eayunstack/neutron,mahak/neutron