code: def test_remote(dvc):
      remotes = ["a", "b", "c"]
  
      assert main(["remote", "list"]) == 0
      assert main(["remote", "remove", remotes[0]]) != 0
  
      for r in remotes:
          assert (
              main(
                  ["remote", "add", "--default", r, "s3://bucket/name"]
              )
              == 0
          )
  
      assert main(["remote", "list"]) == 0
  
      assert (
          main(["remote", "modify", remotes[0], "checksum_jobs", "1"])
          == 0
      )
      assert main(["remote", "remove", remotes[0]]) == 0
  
      assert main(["remote", "list"]) == 0
  
imports: import errno
  import itertools
  import os
  import stat
  import configobj
  import pytest
  from dvc.cli import main
  from dvc.config import Config
  from dvc.exceptions import DownloadError, UploadError
  from dvc.utils.fs import remove
label_desc: Use image node_id 1 for calling a global function with example usage: test_remote(dvc) without return types