Libuplink is using some aliases to storj package which we will
move directly to libuplink and remove from common/storj.
To make code compilable we need to fix places where we
are using aliased types directly to be able to update libuplink.
Change-Id: I7222a927af3b41e214d1c9204917f3ebce4727ce
We already split main code base, now we need to split test
to reflect new files structure (bucket/object/segment/other).
Fixes https://github.com/storj/team-metainfo/issues/12
Change-Id: Ica1054c4fc7df764483b03f204b4beba094df8e1