best case nondet test 1 failed:      OK.
best case nondet test 2 succeeded:   OK.
middle case nondet test 1 failed:    OK.
middle case nondet test 2 succeeded: OK.
middle case nondet test 3 succeeded: OK.
middle case nondet test 4 succeeded: OK.
worst case nondet test 1 failed:     OK.
worst case nondet test 2 succeeded:  OK.
worst case nondet test 3 succeeded:  OK.
worst case nondet test 4 succeeded:  OK.