code: def test_truncate_utf_8_text_wrong_limit():
      with pytest.raises(AssertionError):
          strings.truncate("hell", 2)
  
      with pytest.raises(AssertionError):
          strings.truncate("hello", 4, msg="long msg")
  
imports: import pytest
  import six
  from library.python import strings
label_desc: Use image node_id 19 for calling a global function with example usage: test_truncate_utf_8_text_wrong_limit() without return types