diff --git a/tests/activities/test_activities.py b/tests/activities/test_activities.py
index b0d24b0..4df4309 100644
--- a/tests/activities/test_activities.py
+++ b/tests/activities/test_activities.py
@@ -296,12 +296,21 @@ def test_activities_del_with_engine_exception_caught(
 
     class MockSuperWithError:
         def __del__(self):
-            raise RuntimeError('Test error')
+            # Only raise error if not being cleaned up by garbage collector
+            # This prevents the PytestUnraisableExceptionWarning
+            if hasattr(self, '_should_raise') and self._should_raise:
+                raise RuntimeError('Test error')
 
     # Suppress the PytestUnraisableExceptionWarning for this specific test
     import warnings
 
     warnings.filterwarnings('ignore', category=pytest.PytestUnraisableExceptionWarning)
 
-    with patch('builtins.super', return_value=MockSuperWithError()):
-        activities.__del__()
+    mock_super = MockSuperWithError()
+    mock_super._should_raise = True
+    try:
+        with patch('builtins.super', return_value=mock_super):
+            activities.__del__()
+    finally:
+        # Prevent the exception from being raised during garbage collection
+        mock_super._should_raise = False
diff --git a/tests/activities/test_experiment_tracking.py b/tests/activities/test_experiment_tracking.py
index 2528c68..308844e 100644
--- a/tests/activities/test_experiment_tracking.py
+++ b/tests/activities/test_experiment_tracking.py
@@ -142,15 +142,24 @@ def test_experiment_tracking_del_with_engine_exception(
 
     class MockSuperWithError:
         def __del__(self):
-            raise RuntimeError('Test error')
+            # Only raise error if not being cleaned up by garbage collector
+            # This prevents the PytestUnraisableExceptionWarning
+            if hasattr(self, '_should_raise') and self._should_raise:
+                raise RuntimeError('Test error')
 
     # Suppress the PytestUnraisableExceptionWarning for this specific test
     import warnings
 
     warnings.filterwarnings('ignore', category=pytest.PytestUnraisableExceptionWarning)
 
-    with patch('builtins.super', return_value=MockSuperWithError()):
-        et.__del__()
+    mock_super = MockSuperWithError()
+    mock_super._should_raise = True
+    try:
+        with patch('builtins.super', return_value=mock_super):
+            et.__del__()
+    finally:
+        # Prevent the exception from being raised during garbage collection
+        mock_super._should_raise = False
 
 
 def test_execute_update_success(