COMPMID-959 Add benchmark namespace in benchmark tests

Change-Id: Ieef1c5380bff1c019af0203fb7e4734f48a2fb63
Reviewed-on: https://eu-gerrit-1.euhpc.arm.com/113499
Tested-by: Jenkins <bsgcomp@arm.com>
Reviewed-by: Georgios Pinitas <georgios.pinitas@arm.com>
59 files changed