def test_clean_false(self):
        f = forms.FileField(required=False)
        self.assertEqual(f.clean(False), False)
        self.assertEqual(f.clean(False, 'initial'), False)
Detect old blacklist tests, convert to use new builtin.
dataset/ETHPy150Open AppScale/appscale/AppServer/lib/django-1.4/tests/regressiontests/model_forms_regress/tests.py/FileFieldTests.test_clean_false--crossover with--dataset/ETHPy150Open openstack/bandit/bandit/core/config.py/BanditConfig.convert_legacy_blacklist_tests