| |--combat: COmbat interactions between characters. (test_prog/rpg/combat.nit)
| |--races: Races of the game. (test_prog/rpg/races.nit)
| `--rpg: A worlg RPG abstraction. (test_prog/rpg/rpg.nit)
-`--test_prog: A test program with a fake model to check model tools. (test_prog/test_prog.nit)
+|--test_prog: A test program with a fake model to check model tools. (test_prog/test_prog.nit)
+`--tests (test_prog/tests)
+ `--test_game (test_prog/tests/test_game.nit)