def METHOD_NAME(art_warning):
    try:
        # Small data for testing
        x = np.array([[0.37, 0.68, 0.63, 0.48, 0.48, 0.18, 0.19]])
        # Create filter
        audio_filter = LFilter(clip_values=(0, 1))
        # Apply filter
        result = audio_filter(x)
        # Test
        assert result[1] is None
        np.testing.assert_array_almost_equal(x, result[0], decimal=0)
    except ARTTestException as e:
        art_warning(e)