Standard output
1754885408589 Test testAsync4: 1/0 - execute
1754885408597 Test testAsync4: 1/0 - sleeping
1754885408589 Test testAsync3: 1/0 - execute
1754885408597 Test testAsync3: 1/0 - sleeping
1754885408590 Test testAsync2: 1/0 - execute
1754885408597 Test testAsync2: 1/0 - sleeping
1754885408590 Test testAsync1: 1/0 - execute
1754885408598 Test testAsync1: 1/0 - sleeping
1754885408594 Test testAsync0: 1/0 - execute
1754885408599 Test testAsync0: 1/0 - sleeping
1754885412597 Test testAsync4: 1/0 - complete
1754885412599 Test testAsync1: 1/0 - complete
1754885412600 Test testAsync0: 1/0 - complete
1754885412597 Test testAsync3: 1/0 - complete
1754885412598 Test testAsync2: 1/0 - complete