rpc: refactor: unify test server setup
rpc: refactor: unify test server setup

calgaryscientific/consul,zeroae/consul,vamage/consul,youhong316/consul,hashicorp/consul,hashicorp/consul,tugbabodrumlu/consul,scalp42/consul,zeroae/consul,tugbabodrumlu/consul,vamage/consul,scalp42/consul,42wim/consul,kingland/consul,tugbabodrumlu/consul,calgaryscientific/consul,zeroae/consul,kingland/consul,kingland/consul,42wim/consul,scalp42/consul,kingland/consul,i0rek/consul,youhong316/consul,42wim/consul,youhong316/consul,vamage/consul,vamage/consul,zeroae/consul,youhong316/consul,kingland/consul,42wim/consul,calgaryscientific/consul,i0rek/consul,youhong316/consul,vamage/consul,calgaryscientific/consul,calgaryscientific/consul,42wim/consul,tugbabodrumlu/consul,hashicorp/consul,tugbabodrumlu/consul,i0rek/consul,zeroae/consul,i0rek/consul,scalp42/consul,scalp42/consul,i0rek/consul,hashicorp/consul