-| |--\e[1mcareers\e[m: Careers of the game. (test_prog/rpg/careers.nit)
-| |--\e[1mcharacter\e[m: Characters are playable entity in the world. (test_prog/rpg/character.nit)
-| |--\e[1mcombat\e[m: COmbat interactions between characters. (test_prog/rpg/combat.nit)
-| |--\e[1mraces\e[m: Races of the game. (test_prog/rpg/races.nit)
-| `--\e[1mrpg\e[m: A worlg RPG abstraction. (test_prog/rpg/rpg.nit)
-`--\e[1mtest_prog\e[m: A test program with a fake model to check model tools. (test_prog/test_prog.nit)
+| |--careers: Careers of the game. (test_prog/rpg/careers.nit)
+| |--character: Characters are playable entity in the world. (test_prog/rpg/character.nit)
+| |--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)
+`--tests (test_prog/tests)
+ `--test_game (test_prog/tests/test_game.nit)