Adjust number of PutFile() calls in test
Adjust number of PutFile() calls in test

It'll pass at 10k, but takes 5min alone, so I halved that.

sambooo/pachyderm,ShengjieLuo/pachyderm,ShengjieLuo/pachyderm,sambooo/pachyderm,sambooo/pachyderm,ShengjieLuo/pachyderm