Add tests for archiver module
Add tests for archiver module

Add tests for Tar, Zip and Deb archive types.

 go test -coverprofile=cover.out
 ....
 PASS
 coverage: 51.0% of statements

Coverage for archiver.go: 100%

Signed-off-by: Denis Pynkin <denis.pynkin@collabora.com>

tests reworked

d4s/debos,go-debos/debos