code: def test_ufunc_at_scalar(self, xp):
      a = cupy.testing.shaped_arange((10,), xp)
      b = 7
      indices = xp.array([0, 3, 6, 7, 9])
      numpy.add.at(a, indices, b)
      return a
  
imports: import numpy
  import pytest
  import cupy
  from cupy import testing
label_desc: Use image node_id 13 for calling the TestArrayUfunc obj's underlying member method code with example usage: obj.test_ufunc_at_scalar(xp) and returns: a