1453 dtest should fail if dependencies are missing
Reviewed by: Gordon Ross <gwr@nexenta.com>
Reviewed by: Eric Schrock <eric.schrock@delphix.com>
Approved by: Garrett D'Amore <garrett@nexenta.com>

6465302 integrate Java DTrace API tests with DTrace test suite
6467526 test suite: sched/tst.stackdepth.d fails in empty stack case

6464285 integrate the DTrace test suite