code: def run_test_train():
      command = (
          f"CUDA_VISIBLE_DEVICES='{get_device_id()}' python TTS/bin/train_encoder.py --config_path {config_path} "
          f"--coqpit.output_path {output_path} "
          "--coqpit.datasets.0.formatter ljspeech_test "
          "--coqpit.datasets.0.meta_file_train metadata.csv "
          "--coqpit.datasets.0.meta_file_val metadata.csv "
          "--coqpit.datasets.0.path tests/data/ljspeech "
      )
      run_cli(command)
  
imports: import glob
  import os
  import shutil
  from tests import get_device_id, get_tests_output_path, run_cli
  from TTS.config.shared_configs import BaseAudioConfig
  from TTS.encoder.configs.speaker_encoder_config import SpeakerEncoderConfig
label_desc: Use image node_id 1 for calling a global function with example usage: run_test_train() without return types