lock_test: correct merge error, use offset 500k
lock_test: correct merge error, use offset 500k

byo/restic,stuertz/restic,kurin/restic,stuertz/restic,pombredanne/restic,byo/restic,middelink/restic,ckemper67/restic,episource/restic,ar-jan/restic,kurin/restic,howeyc/restic,fawick/restic,restic/restic,jayme-github/restic,mappu/restic,fawick/restic,arithmetric/restic,bchapuis/restic,middelink/restic,ar-jan/restic,restic/restic,jayme-github/restic