code: def test_dump_unknown_experiment(
      client, ephemeral_loaded_with_benchmarks
  ):
      """Test dump unknown experiment"""
      response = client.simulate_get("/dump?name=unknown")
      assert response.status == "404 Not Found"
      assert response.json == {
          "title": "DatabaseError",
          "description": "No experiment found with query {'name': 'unknown'}. Nothing to dump.",
      }
  
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 9 for calling a global function with example usage: test_dump_unknown_experiment(client, ephemeral_loaded_with_benchmarks) without return types