<s> import unittest <EOL> from nativeconfig . config import MemoryConfig <EOL> from test . config import TestConfigMixin <EOL> class MyMemoryConfig ( MemoryConfig ) : <EOL> pass <EOL> class TestMemoryConfig ( unittest . TestCase , TestConfigMixin ) : <EOL> CONFIG_TYPE = MyMemoryConfig <EOL> def test_config_is_created_if_not_found ( self ) : <EOL> pass </s>
