Add test/lib/base2 convenience
Add test/lib/base2 convenience

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