test56: unlink proper test file
test56: unlink proper test file

Change-Id: I215f0d00b8e077930c4e93d192553eaf0d2a353f

veritas-shine/minix3-rpi,veritas-shine/minix3-rpi,veritas-shine/minix3-rpi,veritas-shine/minix3-rpi,veritas-shine/minix3-rpi,veritas-shine/minix3-rpi,veritas-shine/minix3-rpi,veritas-shine/minix3-rpi