**{'x-keep-replicas-stored': 1}) as keepmock:
self.mock_keep_services(client, status=200, service_type='disk', count=6)
writer = self.foo_writer(api_client=client, replication=3)
**{'x-keep-replicas-stored': 1}) as keepmock:
self.mock_keep_services(client, status=200, service_type='disk', count=6)
writer = self.foo_writer(api_client=client, replication=3)