code: def test_ensure_does_not_exist(self):
      ARG = 0
      self.handler._handle_event_creation(ARG)
      self.handler._handle_stream_creation(ARG)
      for func, out in [
          (
              self.handler._handle_event_creation,
              "Found duplicate event creation in the trace for event with "
              f"id: {ARG}. Assuming the trace for event deletion wasn't caught "
              "and backfilling it now. "
              "Perhaps the sanitizer was enabled after some torch operations?",
          ),
          (
              self.handler._handle_stream_creation,
              "Found duplicate Stream creation in the trace for Stream with "
              f"id: {ARG}. PyTorch Streams are only created once, so this "
              "trace entry is ignored.",
          ),
      ]:
          with self.subTest(func=func, out=out):
              with self.assertLogs() as captured:
                  func(ARG)
              self.assertEqual(captured.records[0].getMessage(), out)
  
imports: import sys
  import textwrap
  import traceback
  from typing import List
  import torch
  import torch.cuda._sanitizer
  from torch.cuda._sanitizer import StreamId, DataPtr, EventId
  from torch.testing._internal.common_utils import TestCase, run_tests, NoTest, TEST_CUDA
label_desc: Use image node_id 3 for calling the TestMessages obj's underlying member method code with example usage: obj.test_ensure_does_not_exist() without return types