support/testing: add python-msgpack runtime test
Signed-off-by: Marcus Hoffmann <buildroot@bubu1.eu>
Signed-off-by: Arnout Vandecappelle <arnout@mind.be>
(cherry picked from commit d429d5d399acc9921a9a86f4ae3d589d599605e4)
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>