code: def test_add_background_noise_when_noise_sound_is_too_short(self):
      sample_rate = 44100
      samples = np.sin(
          np.linspace(0, 440 * 2 * np.pi, 14 * sample_rate)
      ).astype(np.float32)
      augmenter = AddBackgroundNoise(
          sounds_path=os.path.join(DEMO_DIR, "background_noises"),
          min_snr_db=15,
          max_snr_db=35,
          p=1.0,
      )
      samples_out = augmenter(samples=samples, sample_rate=sample_rate)
      assert not np.allclose(samples, samples_out)
      assert samples_out.dtype == np.float32
  
file_path: audiomentations/tests/test_add_background_noise.py
imports: import json
  import os
  import pickle
  import random
  import warnings
  import numpy
  import pytest
  from audiomentations import AddBackgroundNoise, Compose, Reverse
  from demo.demo import DEMO_DIR
label_desc: Use image node_id 3 for calling the TestAddBackgroundNoise obj's underlying member method code with example usage: obj.test_add_background_noise_when_noise_sound_is_too_short() without return types