code: def setUp(self):
      self.check_backward_options = {"atol": 1e-2, "rtol": 1e-2}
      self.check_double_backward_options = {"atol": 1e-2, "rtol": 1e-2}
  
imports: import unittest
  import numpy
  import chainer
  from chainer.backends import cuda
  from chainer.functions.connection import embed_id
  from chainer import gradient_check
  from chainer import testing
  from chainer.testing import attr
  from chainer.testing import backend
label_desc: Use image node_id 1 for calling the TestEmbedID obj's underlying member method code with example usage: obj.setUp() without return types