code: def test_repr(self):
      lut = ImageFilter.Color3DLUT(2, [0, 1, 2] * 8)
      assert repr(lut) == "<Color3DLUT from list size=2x2x2 channels=3>"
  
      lut = ImageFilter.Color3DLUT(
          (3, 4, 5),
          array("f", [0, 0, 0, 0] * (3 * 4 * 5)),
          channels=4,
          target_mode="YCbCr",
          _copy_table=False,
      )
      assert (
          repr(lut)
          == "<Color3DLUT from array size=3x4x5 channels=4 target_mode=YCbCr>"
      )
  
imports: from __future__ import annotations
  from array import array
  import pytest
  from PIL import Image, ImageFilter
  from .helper import assert_image_equal
label_desc: Use image node_id 5 for calling the TestColorLut3DFilter obj's underlying member method code with example usage: obj.test_repr() without return types