code: def test_user():
      fs = WebDAVFileSystem(url=url, user=user)
      assert issubset({"auth": (user, None), "headers": {}}, fs.fs_args)
  
file_path: dvc/tests/unit/remote/test_webdav.py
imports: import pytest
  from dvc_webdav import WebDAVFileSystem, WebDAVSFileSystem
  from dvc.fs import get_cloud_fs
  from tests.utils.asserts import issubset
label_desc: Use image node_id 2 for calling a global function with example usage: test_user() without return types