code: def test_profile(self):
      start_patch = mock.patch("cupy.cuda.profiler.start")
      stop_patch = mock.patch("cupy.cuda.profiler.stop")
      with start_patch as start, stop_patch as stop:
          with cuda.profile():
              pass
          start.assert_called_once_with()
          stop.assert_called_once_with()
  
imports: import unittest
  from unittest import mock
  from cupy import cuda
label_desc: Use image node_id 1 for calling the TestProfile obj's underlying member method code with example usage: obj.test_profile() without return types