fixing protocol default version test
fixing protocol default version test

jsternberg/memberlist,atomx/memberlist,jsternberg/memberlist,hashicorp/memberlist,rbg/memberlist,aybabtme/memberlist,hashicorp/memberlist,rbg/memberlist,aybabtme/memberlist,oldmantaiter/memberlist,oldmantaiter/memberlist,42wim/memberlist,atomx/memberlist,42wim/memberlist