self.assertEqual(
link['org-openroadm-common-network:link-type'], 'OTN-LINK')
self.assertIn(link['org-openroadm-common-network:opposite-link'],
self.assertEqual(
link['org-openroadm-common-network:link-type'], 'OTN-LINK')
self.assertIn(link['org-openroadm-common-network:opposite-link'],