code: def test_raise_secure_mode(self) -> None:
      with self.assertRaises(ValueError):
          self._init_dp_training(secure_mode=True, noise_seed=42)
  
imports: import unittest
  from typing import Optional
  import torch
  import torch.nn
  from opacus import PrivacyEngine
  from opacus.data_loader import DPDataLoader, switch_generator
  from opacus.grad_sample import GradSampleModule
  from opacus.optimizers import DPOptimizer
  from torch.utils.data import DataLoader, TensorDataset
label_desc: Use image node_id 5 for calling the PrivacyEngineSecureModeTest obj's underlying member method code with example usage: obj.test_raise_secure_mode() without return types