message: fix: load httpfs extension in test
diff: from pathlib import Path
  from shutil import copyfileobj
  +from typing import Callable
  from duckdb import DuckDBPyConnection, InvalidInputException
  from pytest import raises, importorskip
  @@ -29,6 +30,7 @@ class TestPythonFilesystem:
  duckdb_cursor.unregister_filesystem('memory')
  - def test_unregister_builtin(self, duckdb_cursor: DuckDBPyConnection):
  + def test_unregister_builtin(self, require: Callable[[str], DuckDBPyConnection]):
  + duckdb_cursor = require('httpfs')
  assert 's3fs' in duckdb_cursor.list_filesystems()
  duckdb_cursor.unregister_filesystem('s3fs')
  