code: def test_lang_code2instance_mapping():
      for code, language_module in LANGUAGE_CODES.items():
          assert Language.get_language_code(code) == language_module
  
imports: import pytest
  from pysbd.languages import LANGUAGE_CODES, Language
label_desc: Use image node_id 1 for calling a global function with example usage: test_lang_code2instance_mapping() without return types