code: def test_pass_through_embedder(self):
      embedder = PassThroughTokenEmbedder(3)
      tensor = torch.randn([4, 3])
      numpy.testing.assert_equal(
          tensor.numpy(), embedder(tensor).numpy()
      )
      assert embedder.get_output_dim() == 3
  
imports: import numpy
  import torch
  from allennlp.modules.token_embedders import PassThroughTokenEmbedder
  from allennlp.common.testing import AllenNlpTestCase
label_desc: Use image node_id 1 for calling the TestBagOfWordCountsTokenEmbedder obj's underlying member method code with example usage: obj.test_pass_through_embedder() without return types