def METHOD_NAME(self, appconfiguration_connection_string):
    client = self.create_client(appconfiguration_connection_string)
    key = self.get_resource_name("key")
    feature_flag = FeatureFlagConfigurationSetting(key, enabled=True)
    set_flag = client.set_configuration_setting(feature_flag)
    with pytest.raises(TypeError):
        set_flag.value = []
        client.set_configuration_setting(set_flag)
    client.delete_configuration_setting(feature_flag)