code: def test_schema_model(self):
      api = Namespace("test")
      api.schema_model("Person", {})
      assert "Person" in api.models
  
file_path: flask-restplus/tests/test_namespace.py
imports: from __future__ import unicode_literals
  import flask_restplus
  from flask_restplus import Namespace, Model, OrderedModel
label_desc: Use image node_id 6 for calling the NamespaceTest obj's underlying member method code with example usage: obj.test_schema_model() without return types