tests/functional: add boot error detection for RME tests

It was identified that those tests randomly fail with a synchronous
exception at boot (reported by EDK2).
While we solve this problem, report failure immediately so tests don't
timeout in CI.

Signed-off-by: Pierrick Bouvier <pierrick.bouvier@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-Id: <20250303185745.2504842-1-pierrick.bouvier@linaro.org>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Message-Id: <20250304222439.2035603-20-alex.bennee@linaro.org>
2 files changed