code: def test_decode_runs_correctly(self):
      training_tensors = self.dataset.as_tensor_dict()
      output_dict = self.model(**training_tensors)
      decode_output_dict = self.model.decode(output_dict)
      # ``decode`` should have added a ``predicted_tokens`` field to ``output_dict``. Checking if it's there.
      assert "predicted_tokens" in decode_output_dict
  
file_path: magnitude/pymagnitude/third_party/allennlp/tests/models/encoder_decoders/simple_seq2seq_test.py
imports: from __future__ import division
  from __future__ import absolute_import
  import numpy
  import torch
  from allennlp.common.testing import ModelTestCase
  from allennlp.nn.util import sequence_cross_entropy_with_logits
label_desc: Use image node_id 4 for calling the SimpleSeq2SeqWithoutAttentionTest obj's underlying member method code with example usage: obj.test_decode_runs_correctly() without return types