code: def test_volume_roundtrip(tmp_path):
      filename = tmp_path / "test.tiff"
      expected = np.ones((3, 10, 10, 3), np.uint8) * 2
  
      iio.imwrite(filename, expected)
      actual = iio.imread(filename)
  
      np.testing.assert_allclose(actual, expected)
  
imports: import datetime
  import numpy
  import pytest
  import io
  from copy import deepcopy
  import struct
  import imageio.v3
  from imageio.config import known_plugins, known_extensions
label_desc: Use image node_id 4 for calling a global function with example usage: test_volume_roundtrip(tmp_path) without return types