In most situations, TestCase should be preferred to TransactionTestCase as it allows faster execution. However, there are some situations where using TransactionTestCase might be necessary (e.g. testing some transactional behavior). On database backends with no transaction support, TestCase behaves as TransactionTestCase.
This method overrides django.test.testcases.SimpleTestCase.setUpClass.
This method overrides django.test.testcases.SimpleTestCase.tearDownClass.