Standard output
1743019248097 Test testAsync3: 1/0 - execute
1743019248101 Test testAsync3: 1/0 - sleeping
1743019248096 Test testAsync1: 1/0 - execute
1743019248102 Test testAsync1: 1/0 - sleeping
1743019248097 Test testAsync4: 1/0 - execute
1743019248102 Test testAsync4: 1/0 - sleeping
1743019248096 Test testAsync2: 1/0 - execute
1743019248102 Test testAsync2: 1/0 - sleeping
1743019248098 Test testAsync0: 1/0 - execute
1743019248103 Test testAsync0: 1/0 - sleeping
1743019252102 Test testAsync3: 1/0 - complete
1743019252102 Test testAsync4: 1/0 - complete
1743019252102 Test testAsync1: 1/0 - complete
1743019252103 Test testAsync0: 1/0 - complete
1743019252103 Test testAsync2: 1/0 - complete