agent/consul/state: convert proxy test to testify/assert
agent/consul/state: convert proxy test to testify/assert

calgaryscientific/consul,calgaryscientific/consul,hashicorp/consul,hashicorp/consul,youhong316/consul,vamage/consul,calgaryscientific/consul,vamage/consul,kingland/consul,42wim/consul,scalp42/consul,vamage/consul,kingland/consul,kingland/consul,scalp42/consul,vamage/consul,scalp42/consul,kingland/consul,youhong316/consul,youhong316/consul,42wim/consul,vamage/consul,kingland/consul,42wim/consul,youhong316/consul,hashicorp/consul,42wim/consul,42wim/consul,scalp42/consul,youhong316/consul,scalp42/consul,calgaryscientific/consul,calgaryscientific/consul,hashicorp/consul