code: def setUp(self):
      self.default_debug = chainer.is_debug()
      chainer.set_debug(True)
  
      self.a_data = numpy.random.uniform(-1, 1, (4, 3, 2))
      self.b_data = numpy.random.uniform(-1, 1, (2, 2))
  
file_path: chainer/tests/chainer_tests/functions_tests/array_tests/test_scatter_add.py
imports: import unittest
  import numpy
  import chainer
  from chainer import functions
  from chainer import testing
  from chainer.utils import type_check
label_desc: Use image node_id 1 for calling the TestInvalidScatterAdd obj's underlying member method code with example usage: obj.setUp() without return types