Fix TestFindUsedBlobs
Fix TestFindUsedBlobs

stuertz/restic,kurin/restic,arithmetric/restic,fawick/restic,byo/restic,kurin/restic,fawick/restic,jayme-github/restic,ar-jan/restic,restic/restic,ar-jan/restic,byo/restic,ckemper67/restic,middelink/restic,middelink/restic,restic/restic,jayme-github/restic,stuertz/restic