Update tests/test_tutorial_docs.py

Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>

Author: networmix

tests/test_tutorial_docs.py

@@ -79,8 +79,7 @@ def test_first_scenario_creation(self):
         assert len(server_nodes) == 4
         assert len(leaf_nodes) == 4
         assert len(spine_nodes) == 2
-        assert len(leaf_nodes) == 4
-        assert len(spine_nodes) == 2
+# Removed duplicate assertions for leaf_nodes and spine_nodes.
 
     def test_analyzing_maximum_flow_capacity(self):
         """Test the maximum flow analysis examples from tutorial.md"""