Fix test classes

src/tests/base/test_i18n.py

@@ -113,10 +113,9 @@ class I18nFieldTest(TestCase):
     """
     This test case tests the I18n*Field classes
     """
-    @classmethod
-    def setUpTestData(cls):
+    def setUp(self):
         o = Organizer.objects.create(name='Dummy', slug='dummy')
-        cls.event = Event.objects.create(
+        self.event = Event.objects.create(
             organizer=o, name='Dummy', slug='dummy',
             date_from=now(),
         )