test: register test as failed if setup failed

test: register test as failed if setup failed

If test set up couldn't be completed, the test was previously
shown as succeeding, even though setup failed. Fix this to report
test as failed, and count all tests that should've been executed,
as failed as well.

Fixes: ffac67b1f71b ("app/test: new assert macros and test suite runner")
Cc: stable@dpdk.org
Signed-off-by: Anatoly Burakov <anatoly.burakov@intel.com>
Acked-by: Declan Doherty <declan.doherty@intel.com>