diff --git a/tests/execution/contexts/test_node.py b/tests/execution/contexts/test_node.py
index c9c8f1f..5af665d 100644
--- a/tests/execution/contexts/test_node.py
+++ b/tests/execution/contexts/test_node.py
@@ -186,7 +186,7 @@ def test_node_tuple_dict():
 
 
 def test_node_lifecycle_natural():
-    func = MagicMock()
+    func = MagicMock(spec=object())
 
     ctx = NodeExecutionContext(func)
     assert not any((ctx.started, ctx.stopped, ctx.killed, ctx.alive))
@@ -205,7 +205,7 @@ def test_node_lifecycle_natural():
 
 
 def test_node_lifecycle_with_kill():
-    func = MagicMock()
+    func = MagicMock(spec=object())
 
     ctx = NodeExecutionContext(func)
     assert not any((ctx.started, ctx.stopped, ctx.killed, ctx.alive))