test/relay_network: add support for dynamic service names
test/relay_network: add support for dynamic service names

i/tchannel,savaki/tchannel,hustxiaoc/tchannel,Zirpon/tchannel,vanloswang/tchannel,Zirpon/tchannel,bunnyblue/tchannel,RyanTech/tchannel,benfleis/tchannel,chenwenbin928/tchannel,Zirpon/tchannel,RyanTech/tchannel,vanloswang/tchannel,chenwenbin928/tchannel,benfleis/tchannel,RyanTech/tchannel,sasa233/tchannel,chenwenbin928/tchannel,i/tchannel,hustxiaoc/tchannel,hustxiaoc/tchannel,sasa233/tchannel,benfleis/tchannel,vanloswang/tchannel,bunnyblue/tchannel,i/tchannel,sasa233/tchannel,savaki/tchannel,bunnyblue/tchannel,savaki/tchannel