Validate we round-trip UTF-8 properly
Validate we round-trip UTF-8 properly

Because I'm paranoid and these types of bugs are super common in Python.

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