Remove boilerplate code:
> if (NOT BOARD STREQUAL unit_testing)
> message(FATAL_ERROR "This project can only be used with...")
> endif()
as that is now handled by boards.cmake when validating the board.
Signed-off-by: Torsten Rasmussen <Torsten.Rasmussen@nordicsemi.no>
Fix the deprecated calls to loading ZephyrUnittest by replacing them
with `Zephyr COMPONENTS unittest`.
Signed-off-by: Yuval Peress <peress@google.com>