def test_many_to_many_between_unmanaged(self):
        table = Unmanaged2._meta.get_field('mm').m2m_db_table()
        tables = connection.introspection.table_names()
        self.assertTrue(table not in tables, "Table '%s' should not exist, but it does." % table)
The intermediary table between two unmanaged models should not be created.
dataset/ETHPy150Open AppScale/appscale/AppServer/lib/django-1.4/tests/modeltests/unmanaged_models/tests.py/ManyToManyUnmanagedTests.test_many_to_many_between_unmanaged