A basic test for ceph-nvmeof[1] where
nvmeof initiator is created.
It requires use of a new task "nvmeof_gateway_cfg"
under cephadm which shares config information
between two remote hosts.
[1] https://github.com/ceph/ceph-nvmeof/
Signed-off-by: Vallari Agrawal <val.agl002@gmail.com>