code: def __init__(self, client, parameters=None):
      self.client = client
      self.host = generate_temporary_file()
      self.db = None
      self.url = "/dump" + (
          "" if parameters is None else f"?{parameters}"
      )
  
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 1 to create a new DumpContext object  with example: obj = DumpContext(client, parameters)