code: def test_not_in_text_multiline(self):
      text = "some multiline\ntext\nwhich\nincludes foo\nand a\ntail"
      assert "foo" not in text
  
imports: import pytest
  from pytest import raises
label_desc: Use image node_id 12 for calling the TestSpecialisedExplanations obj's underlying member method code with example usage: obj.test_not_in_text_multiline() without return types