see Attached scenario file.
OR
{F76548}
In 3D editor:
1) set multiplayer as specified above
2) place player, one other playable man and then some enemy that can kill all playable;
3) start mission via editor menu: Play: Play in MultiPlayer (MP) (or start local server and load mission).
4) kill all playable men;
5) mission ends when setting say it will not.