[Graph]: Updated test-algs to include louvain
[Graph]: Updated test-algs to include louvain

icoming/FlashX,icoming/FlashGraph,flashxio/FlashX,zheng-da/FlashX,icoming/FlashX,zheng-da/FlashX,icoming/FlashX,icoming/FlashGraph,flashxio/FlashX,flashxio/FlashX,zheng-da/FlashX,icoming/FlashX,zheng-da/FlashX,icoming/FlashGraph,flashxio/FlashX,flashxio/FlashX,icoming/FlashGraph,icoming/FlashX,flashxio/FlashX,icoming/FlashGraph,zheng-da/FlashX