we would like to execute any use case out of onap namespace

when creating an external ns (onap-testing) and providing only robot_properties.py as cm input, we got some errors with clmpv2

Cmpv2 :: CMPv2 Usecase functionality
==============================================================================
Deploying PNF Simulator :: This test case deploys PNF simulator wi... | PASS |
------------------------------------------------------------------------------
Deploying VES collector with CMPv2 :: This test case deploys secon... | PASS |
------------------------------------------------------------------------------
Deploying VES collector with CMPv2 and wrong SANs :: This test cas... | PASS |
------------------------------------------------------------------------------
Send registration request to CMPv2 VES :: This test case triggers ... | FAIL |
ConnectionError: HTTPConnectionPool(host='pnf-simulator', port=5000): Max retries exceeded with url: /simulator/event (Caused by NewConnectionError('<urllib3.connection.HTTPConnection object at 0x7f244c3e9910>: Failed to establish a new connection: [Errno -2] Name does not resolve'))
------------------------------------------------------------------------------
Send registration request to CMPv2 VES with wrong SAN-s :: This te... | FAIL |
ConnectionError: HTTPConnectionPool(host='pnf-simulator', port=5000): Max retries exceeded with url: /simulator/event (Caused by NewConnectionError('<urllib3.connection.HTTPConnection object at 0x7f244c601290>: Failed to establish a new connection: [Errno -2] Name does not resolve'))
------------------------------------------------------------------------------
Send registration request to VES without CMPv2 certificate :: This... | FAIL |
ConnectionError: HTTPConnectionPool(host='pnf-simulator', port=5000): Max retries exceeded with url: /simulator/event (Caused by NewConnectionError('<urllib3.connection.HTTPConnection object at 0x7f244c5b0750>: Failed to establish a new connection: [Errno -2] Name does not resolve'))
------------------------------------------------------------------------------
Cmpv2 :: CMPv2 Usecase functionality | FAIL |
6 critical tests, 3 passed, 3 failed

name does not resolve means that in the existing test, some name forgets probably to indicate the namespace