old_contents: # TODO: Write tests!
  # -*- coding:utf-8 -*-
  
  #Core Django imports
  from django.test import TestCase
  
  #Third-party app imports
  from model_mommy import mommy
  from model_mommy.recipe import Recipe, foreign_key
  
  # Relative imports of the 'app-name' package
  from .models import Conference
  
  class ConferenceTestModel(TestCase):
  
      def setUp(self):
          """
          Set up all the tests
          """
          self.conf = mommy.make(Conference)
  
new_contents: # TODO: Write tests!
  
subject: Update tests.py