Otherwise </testsuite> is missing and jenkins can't make sense of
things.
Change-Id: If11a6d2506efc9d7c915f50896b2714bc66e3b65
Signed-off-by: Patrick Georgi <pgeorgi@chromium.org>
Reviewed-on: http://review.coreboot.org/12478
Tested-by: build bot (Jenkins)
Reviewed-by: Martin Roth <martinroth@google.com>