$ java RandomTasks 5     (28-beta+21-ea)
Duration: 487
Duration: 92
Duration: 474
Duration: 424
Duration: 506
Result: 487
Result: 92
Result: 474
Result: 424
Result: 506

$ java RandomTasks 3     (28-beta+21-ea)
Duration: 734
Duration: 660
Duration: 210
Duration: 581
Duration: 128
ExecutionException: TooSlowException: Duration 734 greater than threshold 700