code: def test_single_channel(self):
      samples = np.array([0.5, 0.6, -0.2, 0.0], dtype=np.float32)
      sample_rate = 16000
      augmenter = Clip(a_min=-0.1, a_max=0.1, p=1.0)
      samples = augmenter(samples=samples, sample_rate=sample_rate)
  
      assert np.amin(samples) == pytest.approx(-0.1)
      assert np.amax(samples) == pytest.approx(0.1)
      assert samples.dtype == np.float32
      assert samples.shape[-1] == 4
  
imports: import numpy
  import pytest
  from audiomentations import Clip
label_desc: Use image node_id 1 for calling the TestClip obj's underlying member method code with example usage: obj.test_single_channel() without return types