code: def test_control_square_close(processor, stream):
      stream.feed("\x1dC")
  
      assert len(processor.keys) == 2
      assert processor.keys[0].key == Keys.ControlSquareClose
      assert processor.keys[1].key == "C"
  
imports: from __future__ import unicode_literals
  from prompt_toolkit.terminal.vt100_input import InputStream
  from prompt_toolkit.keys import Keys
  import pytest
label_desc: Use image node_id 10 for calling a global function with example usage: test_control_square_close(processor, stream) without return types