AthenaMonitoringKernel: Fix some unit test failures.
Suppress known ubsan warnings.
Fix use of unitialized variable.
Don't require an upper limit on timing. User code can stall arbitrarily and unpredictably, so this is not robust.
Suppress known ubsan warnings.
Fix use of unitialized variable.
Don't require an upper limit on timing. User code can stall arbitrarily and unpredictably, so this is not robust.