code: def test_relpath_windows():
      assert (
          relpath("x:\\dir1\\dir2\\file.txt", "x:\\dir1")
          == "dir2\\file.txt"
      )
  
      assert (
          relpath("y:\\dir1\\dir2\\file.txt", "\\\\server\\share\\dir1")
          == "y:\\dir1\\dir2\\file.txt"
      )
  
file_path: dvc/tests/unit/utils/test_utils.py
imports: import os
  import pytest
  from dvc.utils import dict_sha256, fix_env, parse_target, relpath, resolve_output
label_desc: Use image node_id 2 for calling a global function with example usage: test_relpath_windows() without return types