disks: delete existing test file, if necessary
disks: delete existing test file, if necessary

kkampardi/Plinth,kkampardi/Plinth,kkampardi/Plinth,harry-7/Plinth,harry-7/Plinth,vignanl/Plinth,vignanl/Plinth,vignanl/Plinth,harry-7/Plinth,vignanl/Plinth,harry-7/Plinth,vignanl/Plinth,harry-7/Plinth,kkampardi/Plinth,kkampardi/Plinth