code: def test_gain_transition_samples(self):
      np.random.seed(1337)
      random.seed(1337)
      samples = np.random.uniform(
          low=-0.5, high=0.5, size=(3456,)
      ).astype(np.float32)
      sample_rate = 32000
  
      augment = GainTransition(
          min_duration=1,
          max_duration=5000,
          duration_unit="samples",
          p=1.0,
      )
      processed_samples = augment(
          samples=samples, sample_rate=sample_rate
      )
      assert not np.allclose(samples, processed_samples)
      assert processed_samples.shape == samples.shape
      assert processed_samples.dtype == np.float32
  
file_path: audiomentations/tests/test_gain_transition.py
imports: import random
  import numpy
  import pytest
  from audiomentations import GainTransition
label_desc: Use image node_id 3 for calling the TestGainTransition obj's underlying member method code with example usage: obj.test_gain_transition_samples() without return types