code: def test_pad_highdim_default(self, xp, dtype):
      array = xp.arange(6, dtype=dtype).reshape([2, 3])
      pad_width = [[1, 2], [3, 4]]
      constant_values = [[1, 2], [3, 4]]
      a = xp.pad(
          array,
          pad_width,
          mode="constant",
          constant_values=constant_values,
      )
      return a
  
imports: import unittest
  import warnings
  import numpy
  import pytest
  import cupy
  from cupy import testing
label_desc: Use image node_id 1 for calling the TestPadNumpybug obj's underlying member method code with example usage: obj.test_pad_highdim_default(xp, dtype) and returns: a