code: def _create_random_model(self):
      # pylint: disable=global-statement
      config = load_config(
          os.path.join(
              get_tests_input_path(), "dummy_model_config.json"
          )
      )
      model = setup_model(config)
      output_path = os.path.join(get_tests_input_path())
      save_checkpoint(config, model, None, None, 10, 1, output_path)
  
file_path: TTS/tests/inference_tests/test_synthesizer.py
imports: import os
  import unittest
  from trainer.io import save_checkpoint
  from tests import get_tests_input_path
  from TTS.config import load_config
  from TTS.tts.models import setup_model
  from TTS.utils.synthesizer import Synthesizer
label_desc: Use image node_id 1 for calling the SynthesizerTest obj's underlying member method code with example usage: obj._create_random_model() without return types