code: def test_large_int_upper_1(self, xp, dtype):
      a = xp.array([0], dtype=xp.int8)
      b = xp.iinfo(dtype).max
      return a + b
  
imports: import unittest
  import numpy
  import pytest
  import cupy
  from cupy import _core
  from cupy import cuda
  from cupy import testing
label_desc: Use image node_id 1 for calling the TestElementwiseType obj's underlying member method code with example usage: obj.test_large_int_upper_1(xp, dtype) and returns: unknown