code: def test_dump_all(
      client, ephemeral_loaded_with_benchmarks, testing_helpers
  ):
      """Test simple call to /dump"""
      with DumpContext(client) as ctx:
          testing_helpers.assert_tested_db_structure(ctx.db)
  
imports: import logging
  import os
  import random
  import string
  import time
  import pytest
  from falcon import testing
  from orion.core.io.database.pickleddb import PickledDB
  from orion.core.utils import generate_temporary_file
  from orion.serving.webapi import WebApi
  from orion.storage.backup import load_database
  from orion.storage.base import setup_storage
label_desc: Use image node_id 6 for calling a global function with example usage: test_dump_all(client, ephemeral_loaded_with_benchmarks, testing_helpers) without return types