code: def test_initial(_buffer):
      assert _buffer.text == ""
      assert _buffer.cursor_position == 0
  
file_path: catboost/contrib/python/prompt-toolkit/py3/tests/test_buffer.py
imports: from __future__ import annotations
  import pytest
  from prompt_toolkit.buffer import Buffer
label_desc: Use image node_id 2 for calling a global function with example usage: test_initial(_buffer) without return types