----------System.err:(7/1360)----------
STARTED AsyncShutdownNow::testInvokeAll '[1] java.util.concurrent.ForkJoinPool@51133a80[Running, parallelism = 12, size = 0, active = 0, running = 0, steals = 0, tasks = 0, submissions = 0]'
SUCCESSFUL AsyncShutdownNow::testInvokeAll '[1] java.util.concurrent.ForkJoinPool@51133a80[Running, parallelism = 12, size = 0, active = 0, running = 0, steals = 0, tasks = 0, submissions = 0]'
STARTED AsyncShutdownNow::testInvokeAll '[2] java.util.concurrent.ForkJoinPool@82e1f42[Running, parallelism = 1, size = 0, active = 0, running = 0, steals = 0, tasks = 0, submissions = 0]'
SUCCESSFUL AsyncShutdownNow::testInvokeAll '[2] java.util.concurrent.ForkJoinPool@82e1f42[Running, parallelism = 1, size = 0, active = 0, running = 0, steals = 0, tasks = 0, submissions = 0]'
STARTED AsyncShutdownNow::testInvokeAny '[1] java.util.concurrent.ForkJoinPool@56676137[Running, parallelism = 12, size = 0, active = 0, running = 0, steals = 0, tasks = 0, submissions = 0]'
SUCCESSFUL AsyncShutdownNow::testInvokeAny '[1] java.util.concurrent.ForkJoinPool@56676137[Running, parallelism = 12, size = 0, active = 0, running = 0, steals = 0, tasks = 0, submissions = 0]'
STARTED AsyncShutdownNow::testInvokeAny '[2] java.util.concurrent.ForkJoinPool@4cf0acee[Running, parallelism = 1, size = 0, active = 0, running = 0, steals = 0, tasks = 0, submissions = 0]'
result: Error. Agent error: java.lang.Exception: Agent 11 timed out with a timeout of 480 seconds; check console log for any additional details

I jhave to assume parallism of 1 led to a deadlock.