code: def test_ctc_train(self):
      config_and_inputs = self.model_tester.prepare_config_and_inputs()
      self.model_tester.check_ctc_training(*config_and_inputs)
  
imports: import inspect
  import math
  import unittest
  from datasets import load_dataset
  from transformers import MCTCTConfig, is_torch_available
  from transformers.testing_utils import require_soundfile, require_torch, slow, torch_device
  from ...test_configuration_common import ConfigTester
  from ...test_modeling_common import ModelTesterMixin, _config_zero_init, floats_tensor, ids_tensor
label_desc: Use image node_id 5 for calling the MCTCTModelTest obj's underlying member method code with example usage: obj.test_ctc_train() without return types