From the test log:

Test 1: in register notif, unregister an MBean
Listener removed thing:c=d
Test 1 completed
Test 2: in unregister notif, unregister an MBean
Listener removed thing:c=d
Test 2 completed
Test 3: in register notif, register an MBean
FAILURE: Wait timed out: probable deadlock
Listener created thing:c=d
Test 3 completed
Test 4: in unregister notif, register an MBean
Listener created thing:c=d
Test 4 completed
TEST FAILED: at least one subcase failed

Test 3 seems to have timed out but then reports that it completes anyway.