[A] [B] [C] [D] [E] [F] [G] [H] [I] [J] [L] [M] [N] [O] [P] [R] [S] [T] [U] [V] unit test test:unit use case:unit test for use case 2nd 3rd A use case specifies an interaction between the system and one or more actors together with the acti unit test for use case postcondition A use case postcondition represents what must be true when the use case has completed. use case precondition A use case precondition denotes a relevant, verifiable property of the system that is required to be |