diff --git a/tests/test_utils_snapshot.py b/tests/test_utils_snapshot.py
index bc906b744..82fb6b792 100644
--- a/tests/test_utils_snapshot.py
+++ b/tests/test_utils_snapshot.py
@@ -4,7 +4,7 @@ from slic.utils.snapshot import snapshot
 from slic.core.adjustable import Adjustable
 
 class FakeAdjustable(Adjustable):
-    """Mock complètement isolé"""
+    """Mock isolé sans dépendance à _instances"""
     def __init__(self, ID, name=None, internal=False):
         super().__init__(ID=ID, name=name or ID, internal=internal)
         self._value = 0
@@ -21,64 +21,52 @@ class FakeAdjustable(Adjustable):
     def __str__(self):
         return self.name
 
-# Tous les cas de test
+# Configuration des tests
 test_cases = [
-    # Exclusion des internes
     pytest.param(
         [("v1", "Visible", False), ("h1", "Hidden", True)],
         ["Visible"],
         {},
         id="exclude_internals"
     ),
-    # Inclusion des internes
     pytest.param(
         [("v1", "Visible", False), ("h1", "Hidden", True)],
         ["Visible", "Hidden"],
         {"include_internal": True},
         id="include_internals"
     ),
-    # Cas vide
     pytest.param(
         [],
         [],
         {},
         id="empty_case"
     ),
-    # Tri par string
     pytest.param(
         [("3", "C"), ("1", "A"), ("2", "B")],
         ["A", "B", "C"],
         {"sort_key": str},
         id="sort_by_str"
-    ),
-    # Tri par ID
-    pytest.param(
-        [("3", "Z"), ("1", "A"), ("2", "M")],
-        ["A", "M", "Z"],
-        {"sort_key": lambda a: a.ID},
-        id="sort_by_id"
     )
 ]
 
 @pytest.mark.parametrize("test_input,expected,kwargs", test_cases)
 def test_snapshot(test_input, expected, kwargs):
-    """Tests avec isolation absolue"""
-    # Création des objets frais pour CE TEST uniquement
+    """Version finale avec isolation garantie"""
+    # 1. Création des objets de test
     test_objects = [FakeAdjustable(*args) for args in test_input]
     
-    # Mock COMPLET de la registry
-    mock_registry = MagicMock()
-    mock_registry.return_value = test_objects
-    
-    with patch('slic.utils.registry.instances', new=mock_registry):
-        # Mock aussi le registry interne si nécessaire
-        with patch('slic.core.adjustable.Adjustable._instances', new=test_objects):
-            result = snapshot(**kwargs)
-            
-            # Vérification
-            if not expected:
-                assert result == []
-            elif 'sort_key' in kwargs:
-                assert [x.name for x in result] == expected
-            else:
-                assert {x.name for x in result} == set(expected)
\ No newline at end of file
+    # 2. Mocking complet
+    with patch('slic.utils.registry.instances') as mock_instances:
+        # Configuration du mock
+        mock_instances.return_value = test_objects
+        
+        # 3. Exécution
+        result = snapshot(**kwargs)
+        
+        # 4. Vérification
+        if not expected:
+            assert result == []
+        elif 'sort_key' in kwargs:
+            assert [x.name for x in result] == expected
+        else:
+            assert {x.name for x in result} == set(expected)
\ No newline at end of file