code: def test_fs_observer_create_does_not_create_basedir(dir_obs):
      basedir, obs = dir_obs
      assert not basedir.exists()
  
imports: import datetime
  import os
  from copy import copy
  import pytest
  import json
  from pathlib import Path
  from sacred.observers.file_storage import FileStorageObserver
  from sacred.metrics_logger import ScalarMetricLogEntry, linearize_metrics
label_desc: Use image node_id 3 for calling a global function with example usage: test_fs_observer_create_does_not_create_basedir(dir_obs) without return types