code: def test_test_run(self):
      config = GlowTTSConfig(num_chars=32)
      model = GlowTTS.init_from_config(config, verbose=False).to(device)
      model.run_data_dep_init = False
      model.eval()
      test_figures, test_audios = model.test_run(None)
      self.assertTrue(test_figures is not None)
      self.assertTrue(test_audios is not None)
  
imports: import copy
  import os
  import unittest
  import torch
  from torch import optim
  from trainer.logging.tensorboard_logger import TensorboardLogger
  from tests import get_tests_data_path, get_tests_input_path, get_tests_output_path
  from TTS.tts.configs.glow_tts_config import GlowTTSConfig
  from TTS.tts.layers.losses import GlowTTSLoss
  from TTS.tts.models.glow_tts import GlowTTS
  from TTS.tts.utils.speakers import SpeakerManager
  from TTS.utils.audio import AudioProcessor
label_desc: Use image node_id 23 for calling the TestGlowTTS obj's underlying member method code with example usage: obj.test_test_run() without return types