Update tests/test_utils_snapshot.py

tests/test_utils_snapshot.py

@@ -31,7 +31,7 @@ def test_snapshot_excludes_internal_by_default():
     visible = FakeAdjustable("visible", internal=False)
     hidden = FakeAdjustable("internal", internal=True)
 
-    with patch.object(snapshot_module, "instances", return_value=[visible, hidden]):
+    with patch("slic.utils.registry.instances", return_value=[visible, hidden]):
         result = snapshot_module.snapshot()
         assert visible in result
         assert hidden not in result
@@ -42,7 +42,7 @@ def test_snapshot_include_internal_flag():
     visible = FakeAdjustable("visible", internal=False)
     hidden = FakeAdjustable("internal", internal=True)
 
-    with patch.object(snapshot_module, "instances", return_value=[visible, hidden]):
+    with patch("slic.utils.registry.instances", return_value=[visible, hidden]):
         result = snapshot_module.snapshot(include_internal=True)
         assert visible in result
         assert hidden in result
@@ -50,7 +50,7 @@ def test_snapshot_include_internal_flag():
 
 
 def test_snapshot_empty_result():
-    with patch.object(snapshot_module, "instances", return_value=[]):
+    with patch("slic.utils.registry.instances", return_value=[]):
         result = snapshot_module.snapshot()
         assert isinstance(result, list)
         assert result == []
@@ -80,7 +80,7 @@ def test_snapshot_sort_keys(sort_key, expected_order):
     name_to_obj = {adj.name: adj for adj in [a, b, c]}
     unordered = [c, a, b]  # intentionally unsorted
 
-    with patch.object(snapshot_module, "instances", return_value=unordered):
+    with patch("slic.utils.registry.instances", return_value=unordered):
         result = snapshot_module.snapshot(sort_key=sort_key)
         # We check that the objects returned match the expected names (using original mapping)
         result_names = [adj.name for adj in result]