COMPMID-589: Refactor HOGDescriptor validation test

Change-Id: Iee93f17a8ce303cff878b1c5d8904947fb910838
Reviewed-on: https://eu-gerrit-1.euhpc.arm.com/118892
Tested-by: Jenkins <bsgcomp@arm.com>
Reviewed-by: Anthony Barbier <anthony.barbier@arm.com>
3 files changed