Add a test to make sure that the linter fails correctly.
Signed-off-by: Martin Roth <gaumless@gmail.com>
Change-Id: I971951d4248dd10abe4c622025fdaf86e014c6cc
Reviewed-on: https://review.coreboot.org/c/coreboot/+/67351
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Elyes Haouas <ehaouas@noos.fr>