message: test(api): add required arguments to verify rehearsal
diff: import pytest
  import io
  from dataclasses import dataclass
  -from decoy import Decoy
  +from decoy import Decoy, matchers
  from pathlib import Path
  from typing import IO, Optional
  @@ -289,7 +289,9 @@ async def test_read_files_no_copy(
  )
  decoy.verify(
  - await file_reader_writer.write(), # type: ignore[call-arg]
  - ignore_extra_args=True,
  + await file_reader_writer.write(
  + directory=matchers.Anything(),
  + files=matchers.Anything(),
  + ),
  times=0,
  )
  