old_contents: import datetime
  
  from django.test import TestCase
  from journal.models import Activity, Entry
  from journal.serializers import ActivitySerializer
  
  
  class ActivityTestCase(TestCase):
      """Sanity checks for activity"""
      def setUp(self):
          cat_e = Entry.objects.create(entry='I like walking the cat')
          Activity.objects.create(name='Walking the cat',
                                  description='Walking the cat around the block',
                                  activity_type='CA', learning_obj='123',
                                  entries=cat_e,
                                  start_date=datetime.date.today)
  
      def test_activity_serializer(self):
          cat_activity = Activity.objects.get(name='Walking the cat')
          self.assertEqual(cat_activity.name, 'Walking the cat')
  
          cat_serializer = ActivitySerializer(cat_activity)
          self.assertEqual(cat_serializer.data['description'],
                           'Walking the cat around the block')
  
new_contents: import datetime
  
  from django.test import TestCase
  from journal.models import Activity, Entry
  from journal.serializers import ActivitySerializer
  
  
  class ActivityTestCase(TestCase):
      """Sanity checks for activity"""
      def setUp(self):
          cat_e = Entry.objects.create(entry='I like walking the cat')
          Activity.objects.create(name='Walking the cat',
                                  description='Walking the cat around the block',
                                  activity_type='1', learning_obj='1,2,3',
                                  entries=cat_e,
                                  start_date=datetime.date.today)
  
      def test_activity_serializer(self):
          cat_activity = Activity.objects.get(name='Walking the cat')
          self.assertEqual(cat_activity.name, 'Walking the cat')
  
          cat_serializer = ActivitySerializer(cat_activity)
          self.assertEqual(cat_serializer.data['description'],
                           'Walking the cat around the block')
  
subject: Fix Activity CSV field test