code: def test_length_long(self):
      for n_tasks in self.long_stream_lengths:
          with self.subTest(
              n_tasks=n_tasks
          ), TemporaryDirectory() as tmp:
              bench = CTrL(
                  "s_long",
                  save_to_disk=True,
                  path=Path(tmp),
                  n_tasks=n_tasks,
              )
              self.assertEqual(n_tasks, bench.n_experiences)
  
file_path: avalanche/tests/benchmarks/classic/test_ctrl.py
imports: import unittest
  from pathlib import Path
  from tempfile import TemporaryDirectory
  import torch
  from tests.unit_tests_utils import FAST_TEST, is_github_action
label_desc: Use image node_id 2 for calling the CTrLTests obj's underlying member method code with example usage: obj.test_length_long() without return types