code: def test_vsi_path_unparsed():
      """Correctly make GDAL filename from unparsed path"""
      assert _vsi_path(_UnparsedPath("foo")) == "foo"
  
imports: import sys
  import pytest
  import rasterio
  from rasterio.errors import PathError
  from rasterio._path import _parse_path, _vsi_path, _ParsedPath, _UnparsedPath
label_desc: Use image node_id 22 for calling a global function with example usage: test_vsi_path_unparsed() without return types