Ignore copy volume unit test when not on 3par
Ignore copy volume unit test when not on 3par

Because this test requires SSH, which is not currently
mocked, disable this test case when run using the flask
server. It will run still when connected to a 3par.

When the API for stopPhysicalCopy is changed to using REST
we can remove this limitation

hp-storage/python-3parclient,hpe-storage/python-3parclient