kola/tests/kubernetes: fix node count when master is registered
kola/tests/kubernetes: fix node count when master is registered

quantum/coreos-mantle,mjg59/mantle,quantum/coreos-mantle,dm0-/mantle,marineam/mantle,glevand/coreos--mantle,marineam/mantle,dm0-/mantle,glevand/coreos--mantle,mjg59/mantle