Fixing multiple lint errors in nsxv_functest.py Importing of members, calling super in setup and teardown methods and using assertRaised as it normally is in the library to remove unused variables.
Fixing multiple lint errors in nsxv_functest.py
Importing of members, calling super in setup and teardown methods and using assertRaised as it normally is in the library to remove unused variables.

PiperOrigin-RevId: 319170518

google/capirca,google/capirca,google/capirca,google/capirca