code: def test_dump_default(
      three_experiments_branch_same_name_trials_benchmarks,
      capsys,
      testing_helpers,
  ):
      """Test dump with default arguments"""
      assert not os.path.exists("dump.pkl")
      try:
          execute("db dump")
          assert os.path.isfile("dump.pkl")
          dumped_db = PickledDB("dump.pkl")
          testing_helpers.assert_tested_db_structure(dumped_db)
      finally:
          clean_dump("dump.pkl")
  
file_path: orion/tests/functional/commands/test_db_dump.py
imports: import os
  import pytest
  import orion.core.cli
  from orion.core.io.database.pickleddb import PickledDB
  from orion.storage.base import setup_storage
label_desc: Use image node_id 4 for calling a global function with example usage: test_dump_default(three_experiments_branch_same_name_trials_benchmarks, capsys, testing_helpers) without return types