code: def setUp(self):
      chainer.backends.cuda.clear_memo()
  
file_path: chainer/tests/chainer_tests/utils_tests/test_conv_nd_kernel.py
imports: import unittest
  import mock
  import chainer
  from chainer import testing
  from chainer.testing import attr
  from chainer.utils import conv_nd_kernel
label_desc: Use image node_id 1 for calling the TestIm2colNDKernelMemo obj's underlying member method code with example usage: obj.setUp() without return types