code: def test_single_entity_graph_is_as_expected(self):
      variable_graph = nx.MultiDiGraph()
      variable_graph.add_node("x")
  
      person = Thing("V123", "person", "entity")
      concept_dict = {"x": person}
  
      typedb_graph = concept_dict_to_networkx(
          concept_dict, variable_graph
      )
      expected_typedb_graph = nx.MultiDiGraph()
      expected_typedb_graph.add_node(person, type="person")
  
      self.assertGraphsEqual(expected_typedb_graph, typedb_graph)
  
file_path: typedb-ml/typedb_ml/networkx/concept_dict_to_networkx_test.py
imports: import unittest
  import networkx
  from typedb_ml.typedb.thing import Thing
  from typedb_ml.networkx.concept_dict_to_networkx import concept_dict_to_networkx
  from typedb_ml.networkx.graph_test_case import GraphTestCase
label_desc: Use image node_id 1 for calling the TestConceptDictToTypeDBGraph obj's underlying member method code with example usage: obj.test_single_entity_graph_is_as_expected() without return types