self.assertEqual(link['org-openroadm-otn-network-topology:available-bandwidth'], 100000)
self.assertEqual(link['org-openroadm-otn-network-topology:used-bandwidth'], 0)
self.assertEqual(link['transportpce-topology:otn-link-type'], 'ODTU4')
self.assertEqual(link['org-openroadm-otn-network-topology:available-bandwidth'], 100000)
self.assertEqual(link['org-openroadm-otn-network-topology:used-bandwidth'], 0)
self.assertEqual(link['transportpce-topology:otn-link-type'], 'ODTU4')