test/hyperbahn/constructor: close channels
test/hyperbahn/constructor: close channels

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