code: def test_gen_candidates_torch_timeout_behavior(self):
      # Check that no warnings are raised & log produced on hitting timeout.
      with warnings.catch_warnings(record=True) as ws, self.assertLogs(
          "botorch", level="INFO"
      ) as logs:
          self.test_gen_candidates(
              gen_candidates=gen_candidates_torch, timeout_sec=0.001
          )
      self.assertFalse(
          any(issubclass(w.category, OptimizationWarning) for w in ws)
      )
      self.assertTrue("Optimization timed out" in logs.output[-1])
  
imports: import math
  import warnings
  from unittest import mock
  import torch
  from botorch.acquisition import qExpectedImprovement, qKnowledgeGradient
  from botorch.exceptions.warnings import OptimizationWarning
  from botorch.fit import fit_gpytorch_mll
  from botorch.generation.gen import gen_candidates_scipy, gen_candidates_torch, get_best_candidates
  from botorch.models import SingleTaskGP
  from botorch.utils.testing import BotorchTestCase, MockAcquisitionFunction
  from gpytorch import settings
  from gpytorch.mlls.exact_marginal_log_likelihood import ExactMarginalLogLikelihood
  from scipy.optimize import OptimizeResult
label_desc: Use image node_id 13 for calling the TestGenCandidates obj's underlying member method code with example usage: obj.test_gen_candidates_torch_timeout_behavior() without return types