code: def test_tagger_with_elmo_token_embedder_can_train_save_and_load(
      self,
  ):
      self.ensure_model_can_train_save_and_load(self.param_file)
  
imports: from __future__ import with_statement
  from __future__ import division
  from __future__ import absolute_import
  import filecmp
  import json
  import os
  import pathlib
  import tarfile
  import torch
  from allennlp.commands.train import train_model
  from allennlp.common import Params
  from allennlp.common.testing import ModelTestCase
  from allennlp.data.dataset import Batch
  from allennlp.modules.token_embedders import ElmoTokenEmbedder
  from io import open
label_desc: Use image node_id 2 for calling the TestElmoTokenEmbedder obj's underlying member method code with example usage: obj.test_tagger_with_elmo_token_embedder_can_train_save_and_load() without return types