code: def test_roundtrip(tmp_path):
      # regression test for
      # https://github.com/imageio/imageio/issues/854
  
      iio.imwrite(tmp_path / "test.tiff", np.ones((10, 64, 64), "u4"))
      actual = iio.imread(tmp_path / "test.tiff")
  
      assert actual.shape == (10, 64, 64)
  
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 16 for calling a global function with example usage: test_roundtrip(tmp_path) without return types