[Matrix]: add more unit tests on agg matrix.
[Matrix]: add more unit tests on agg matrix.

flashxio/FlashX,flashxio/FlashX,flashxio/FlashX,flashxio/FlashX,flashxio/FlashX,icoming/FlashX,icoming/FlashX,icoming/FlashX,icoming/FlashX,flashxio/FlashX,icoming/FlashX