Fix header test for new bufrw
Fix header test for new bufrw

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