new_contents: from unittest import TestCase, main
  from amgut.lib.util import survey_fermented, survey_surf
  
  
  class TestUtil(TestCase):
      def test_survey_fermented(self):
          obs = survey_fermented('survey_id', {'participant_name': 'test'})
          exp = ('<h3 style="text-align: center"><a href="/authed/'
                 'secondary_survey/?type=fermented&participant_name=test" '
                 'target="_blank">Fermented Foods Survey</a></h3>As part of our '
                 'onging research into what drive changes in the human gut '
                 'microbiome, we are looking at fermented foods and the '
                 'microbiomes of fermented food eaters. Please click the link '
                 'above if you would like to participate in this survey.')
          self.assertEqual(obs, exp)
  
      def test_survey_surf(self):
          obs = survey_surf('survey_id', {'participant_name': 'test'})
          exp = ('<h3 style="text-align: center"><a href="/authed/'
                 'secondary_survey/?type=surf&participant_name=test" target='
                 '"_blank">Surfing Survey</a></h3>As part of our study, we are '
                 'interested in the effects of frequent and prolonged exposure '
                 'to salt water and the ocean, as it pertains to surfing and '
                 'surfers. If you are interested in participating, you can click'
                 ' the link above and take the survey.')
          self.assertEqual(obs, exp)
  
  
  if __name__ == '__main__':
      main()
  
subject: add tests for util