diff --git a/tests/test_network_classes.py b/tests/test_network_classes.py
index 0a9c18f..5c7f782 100644
--- a/tests/test_network_classes.py
+++ b/tests/test_network_classes.py
@@ -248,6 +248,8 @@ def test_entity_input_output_type_assertions(self):
         """
         with pytest.raises(ValueError):
             Node("An entity with an output", outputs={"Not a Node": "A Flow"})
+
+        with pytest.raises(ValueError):
             Node("An entity with an input", inputs={"Not a Node": "A Flow"})
 
     def test_node_label_without_private_attribute(self):