'Enable the chosen form of multi domain configuration support.
This method enables the file-based configuration support. Child classes
that wish to use the database domain configuration support should
override this method and set the appropriate config_fixture option.'

def enable_multi_domain(self):

    self.config_fixture.config(group='identity', domain_specific_drivers_enabled=True, domain_config_dir=(unit.TESTCONF + '/domain_configs_multi_ldap'), list_limit=1000)
    self.config_fixture.config(group='identity_mapping', backward_compatible_ids=False)
