code: def test_rolling_window(self, xp):
      a = testing.shaped_arange((3, 4), xp)
      a_rolling = rolling_window(a, 2, 0)
      return a_rolling
  
imports: import unittest
  import numpy
  import cupy
  from cupy import testing
  from cupy.lib import stride_tricks
  import pytest
label_desc: Use image node_id 2 for calling the TestAsStrided obj's underlying member method code with example usage: obj.test_rolling_window(xp) and returns: a_rolling