code: def test_wcswidth(s: str, expected: int) -> None:
      assert wcswidth(s) == expected
  
imports: import pytest
  from _pytest._io.wcwidth import wcswidth
  from _pytest._io.wcwidth import wcwidth
label_desc: Use image node_id 2 for calling a global function with example usage: test_wcswidth(s, expected) without return types