diff --git a/src/game/engine/tests/integration/test_gd_turn_processor.gd b/src/game/engine/tests/integration/test_gd_turn_processor.gd
index 691138bc..de05d6b5 100644
--- a/src/game/engine/tests/integration/test_gd_turn_processor.gd
+++ b/src/game/engine/tests/integration/test_gd_turn_processor.gd
@@ -175,6 +175,12 @@ func _make_state() -> RefCounted:
 	var state: RefCounted = ClassDB.instantiate("GdGameState") as RefCounted
 	assert_not_null(state, "GdGameState must be registered")
 	state.call("create_grid", MAP_SIZE, MAP_SIZE)
+	# p2-71c — add_player_militarist refuses to spawn (returns -1) unless the
+	# runtime units catalog is loaded first (otherwise MapUnit base_moves=0 and
+	# the AI freezes past turn 0). Harvest the same catalog the real bridge does.
+	var units_json: String = AiTurnBridge._harvest_runtime_units_json()
+	assert_false(units_json.is_empty(), "runtime units catalog must harvest from resources/units")
+	state.call("set_units_runtime_catalog_json", units_json)
 	return state