test('Should not include "not to be" in the document', () => {

  // Your test logic here

  const documentContent = 'Lorem ipsum dolor sit amet, consectetur adipiscing elit.';

​

  // This regular expression checks if 'not to be' is NOT found in the document

  const regex = /^(?!.*not to be).*$/;

​

  expect(documentContent).toMatch(regex);

});