Extend specs for Virtus#attribute with new examples
Extend specs for Virtus#attribute with new examples

hapiben/virtus,dslh/virtus,XescuGC/virtus,macressler/virtus,solnic/virtus,artemeff/virtus,baojjeu/virtus,mallikarjunayaddala/virtus,faucct/virtus,reevoo/virtus,JustMikey/virtus