code: def test_err_case(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:
          try:
              with cuda.profile():
                  raise Exception()
          except Exception:
              # ignore
              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 2 for calling the TestProfile obj's underlying member method code with example usage: obj.test_err_case() without return types