tests/hyperbahn/rate-limiter: sanify send timeout
tests/hyperbahn/rate-limiter: sanify send timeout

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