code: def test_profile(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:
          with profiler.profile():
              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 1 for calling the TestProfile obj's underlying member method code with example usage: obj.test_profile() without return types