Standard output
1590638977967 Test testAsync0: 1/0 - execute
1590638977967 Test testAsync1: 1/0 - execute
1590638977968 Test testAsync0: 1/0 - sleeping
1590638977968 Test testAsync1: 1/0 - sleeping
1590638977967 Test testAsync2: 1/0 - execute
1590638977968 Test testAsync2: 1/0 - sleeping
1590638977967 Test testAsync3: 1/0 - execute
1590638977968 Test testAsync3: 1/0 - sleeping
1590638977968 Test testAsync4: 1/0 - execute
1590638977969 Test testAsync4: 1/0 - sleeping
1590638981968 Test testAsync0: 1/0 - complete
1590638981968 Test testAsync1: 1/0 - complete
1590638981969 Test testAsync2: 1/0 - complete
1590638981969 Test testAsync3: 1/0 - complete
1590638981969 Test testAsync4: 1/0 - complete