code: def setUp(self):
      self.check_forward_options = {"atol": 1e-3, "rtol": 1e-3}
      self.check_backward_options = {
          "atol": 1e-3,
          "rtol": 1e-3,
          "eps": 1e-4,
      }
      self.check_double_backward_options = {
          "atol": 1e-3,
          "rtol": 1e-3,
          "eps": 1e-4,
      }
  
file_path: chainer/tests/chainer_tests/functions_tests/math_tests/test_cholesky.py
imports: import numpy
  import chainer.functions
  from chainer import testing
label_desc: Use image node_id 2 for calling the TestCholesky obj's underlying member method code with example usage: obj.setUp() without return types