code: def test_load_wav(self):
      wav = np_transforms.load_wav(
          filename=WAV_FILE, resample=False, sample_rate=22050
      )
      wav_resample = np_transforms.load_wav(
          filename=WAV_FILE, resample=True, sample_rate=16000
      )
      self.assertEqual(wav.shape, (self.sample_wav.shape[0],))
      self.assertNotEqual(
          wav_resample.shape, (self.sample_wav.shape[0],)
      )
  
imports: import math
  import os
  import unittest
  from dataclasses import dataclass
  import librosa
  import numpy
  from coqpit import Coqpit
  from tests import get_tests_input_path, get_tests_output_path, get_tests_path
  from TTS.utils.audio import numpy_transforms
label_desc: Use image node_id 11 for calling the TestNumpyTransforms obj's underlying member method code with example usage: obj.test_load_wav() without return types