more test coverage for memory engine
more test coverage for memory engine

shilkin/centrifugo,roytan883/centrifugo,postfix/centrifugo,roytan883/centrifugo,suclike/centrifugo,postfix/centrifugo,shilkin/centrifugo,suclike/centrifugo,centrifugal/centrifugo,centrifugal/centrifugo