Fix failing Quobyte unit test
Fix failing Quobyte unit test

There is one Quobyte unit test, test_jsonrpc_call_ssl_disable, that
consistently fails on my dev system.  This commit adds a mock to
resolve the issue.

Closes-Bug: 1456938
Change-Id: I36918f2497ce6be1e00483358a77e043b288a6fc

redhat-openstack/manila,bswartz/manila,openstack/manila,NetApp/manila,bswartz/manila,openstack/manila,scality/manila,vponomaryov/manila,vponomaryov/manila,NetApp/manila,scality/manila,jcsp/manila,jcsp/manila,redhat-openstack/manila