diff --git a/src/game/engine/tests/unit/test_fog_of_war_vision.gd b/src/game/engine/tests/unit/test_fog_of_war_vision.gd
index 8c89e58f..d843e7b9 100644
--- a/src/game/engine/tests/unit/test_fog_of_war_vision.gd
+++ b/src/game/engine/tests/unit/test_fog_of_war_vision.gd
@@ -44,7 +44,11 @@ class StubPlayer extends RefCounted:
 
 ## Minimal unit stub — must extend UnitScript so recalculate_vision's
 ## `not unit is UnitScript` guard passes.
-class StubUnit extends UnitScript:
+##
+## Use absolute-path `extends` (not the outer-scope `UnitScript` const)
+## because Godot 4.6 inner-class scoping does not resolve outer-scope
+## `const`-ed preloads at parse time.
+class StubUnit extends "res://engine/src/entities/unit.gd":
 	pass
 
 
diff --git a/src/game/engine/tests/unit/test_vision_parity.gd b/src/game/engine/tests/unit/test_vision_parity.gd
index 6048fed5..e71c6a25 100644
--- a/src/game/engine/tests/unit/test_vision_parity.gd
+++ b/src/game/engine/tests/unit/test_vision_parity.gd
@@ -28,7 +28,10 @@ class StubPlayer extends RefCounted:
 	var units: Array = []
 
 
-class StubUnit extends UnitScript:
+## Godot 4.6 inner-class scoping does not resolve outer-scope `const`-ed
+## preloads, so we re-load `unit.gd` by absolute path here. Same pattern
+## as `test_fog_of_war_vision.gd` once that test is patched.
+class StubUnit extends "res://engine/src/entities/unit.gd":
 	pass