code: def __init__(self):
      self.enabled_remotes = set()
  
imports: import json
  import os
  import sys
  from contextlib import suppress
  import pytest
  from dvc import env
  from dvc.stage import PipelineStage
  from dvc.testing.fixtures import *
  from .dir_helpers import *
  from .remotes import *
  from .scripts import *
label_desc: Use image node_id 1 to create a new DVCTestConfig object  with example: obj = DVCTestConfig()