code: def test_array_equal_not_equal(self, xp, dtype):
      a = xp.array([1, 2, 3, 4], dtype=dtype)
      b = xp.array([1, 2, 4, 5], dtype=dtype)
      return xp.array_equal(a, b)
  
imports: import operator
  import unittest
  import numpy
  import cupy
  from cupy import testing
label_desc: Use image node_id 1 for calling the TestArrayEqual obj's underlying member method code with example usage: obj.test_array_equal_not_equal(xp, dtype) and returns: xp