Another test we might want to write for this module is one that asserts that the callback is called after 1 second.
Ihe odide nke ọzọ anyi nwere ike iji mee ka oghagharia faịlụ di nma na-eji iwu a, nke na-agwa Terminal ka iwere faịlụ na-esote iwu ahu bu ihe di nma na igwu ya.