fix TestUploadDownload
fix TestUploadDownload

ericflo/Sia,ChrisSchinnerl/Sia,rivine/rivine,johnathanhowell/Sia,mnsl/Sia,NebulousLabs/Sia,MrStrong/Sia,mharkus/Sia,NebulousLabs/Sia,MrStrong/Sia,ChrisSchinnerl/Sia,ericflo/Sia,mtlynch/Sia,mharkus/Sia,rivine/rivine,mnsl/Sia,mtlynch/Sia