code: def test_init_no_id(self):
      model_entity = Model(self.input_dict)
  
      for k, v in self.input_dict.items():
          assert getattr(model_entity, k) == v
      assert model_entity.id == None
      assert model_entity.description == None
      assert model_entity.created_at
      assert model_entity.updated_at
  
imports: from datmo.core.entity.model import Model
label_desc: Use image node_id 2 for calling the TestModel obj's underlying member method code with example usage: obj.test_init_no_id() without return types