tests: Add race detector and timeout to tests
tests: Add race detector and timeout to tests

The sooner we add the race detector, the better. Also limit tests to 5s:
if we end up in a deadlock, the test will fail after that timeout.

Signed-off-by: Damien Lespiau <64bd3cb94f359c1a3ce68dae5e26b40578526277@gmail.com>

dlespiau/dax,dlespiau/dax