code: def test_err_case(self):
      start_patch = mock.patch(
          "cupy_backends.cuda.api.runtime.profilerStart"
      )
      stop_patch = mock.patch(
          "cupy_backends.cuda.api.runtime.profilerStop"
      )
      with start_patch as start, stop_patch as stop:
          try:
              with profiler.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 cupyx import profiler
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