old_contents: """
  Unittests for opal.management.commands.dump_lookup_lists
  """
  from mock import patch
  
  from opal.core.test import OpalTestCase
  
  from opal.management.commands import dump_lookup_lists as dll
  
  class CreateSingletonsTestCase(OpalTestCase):
      def test_handle(self):
          c = dll.Command()
          with patch.object(c.stdout, 'write') as writer:
              c.handle()
              self.assertEqual(1, writer.call_count)
  
new_contents: """
  Unittests for opal.management.commands.dump_lookup_lists
  """
  from django.contrib.contenttypes.models import ContentType
  from mock import patch
  
  from opal.core.test import OpalTestCase
  from opal.models import Symptom, Synonym
  
  from opal.management.commands import dump_lookup_lists as dll
  
  class CreateSingletonsTestCase(OpalTestCase):
  
      def test_handle(self):
          sympt = Symptom.objects.create(name='Headache')
          Synonym.objects.get_or_create(
              content_type=ContentType.objects.get_for_model(Symptom),
              object_id=sympt.id,
              name='Bad Head'
          )
          c = dll.Command()
          with patch.object(c.stdout, 'write') as writer:
              c.handle()
              self.assertEqual(1, writer.call_count)
  
subject: make sure the test for dumping lookuplists has values