add harbor-bad project for new rpm test

[tests] fixes issue 11

Signed-off-by: Reto Zingg <reto.zingg@jolla.com>
add test case for harbor-bad-X.Y-Z.armv7hl.rpm

Signed-off-by: Reto Zingg <reto.zingg@jolla.com>
Merge pull request #13 from sailfish-sdk/issue-11

'Fix' for Issue 11