Add tests for unsigned image of version 1.
Add tests for unsigned image of version 1.

This is important so that version 1 can not be used as a backdoor
circumventing the signature verification.

Changelog: None

Signed-off-by: Kristian Amlie <505e66ae45028a0596c853559221f0b72c1cee21@mender.io>

bboozzoo/meta-mender,bboozzoo/meta-mender,bboozzoo/meta-mender,bboozzoo/meta-mender