def test_save_unique_null_phone_to_database(self):
        from testapp.models import TestModelPhoneNU as TestModel
        self.__test_nullable_field_helper(TestModel)
Field Test for when Null & Unique
dataset/ETHPy150Open stefanfoulis/django-phonenumber-field/testproject/testapp/tests.py/PhonenumerFieldAppTest.test_save_unique_null_phone_to_database