def test_nullable_text(self):
        entity = NullableTextModel(text=None)
        entity.save()

        db_entity = NullableTextModel.objects.get()
        self.assertEquals(db_entity.text, None)
Stolen from PyPy's pure Python string implementation, tweaked for
dataset/ETHPy150Open django-nonrel/djangoappengine/djangoappengine/tests/test_field_options.py/FieldOptionsTest.test_nullable_text--crossover with--dataset/ETHPy150Open evennia/evennia/evennia/utils/ansi.py/ANSIString.split