code: def test_stream_creation_callback(self):
      cuda_trace.register_callback_for_cuda_stream_creation(self.mock)
  
      torch.cuda.Stream()
      self.mock.assert_called()
  
imports: import sys
  import unittest
  import unittest.mock
  import torch
  import torch.utils._cuda_trace
  from torch.testing._internal.common_utils import TestCase, run_tests, NoTest, TEST_CUDA
label_desc: Use image node_id 8 for calling the TestCudaTrace obj's underlying member method code with example usage: obj.test_stream_creation_callback() without return types