added the tests for the bug #549
added the tests for the bug #549

muut/riotjs,a-moses/riot,duongphuhiep/riot,tao-zeng/riot,dschnare/riot,scalabl3/riot,baysao/riot,marciojcoelho/riotjs,tao-zeng/riot,mike-ward/riot,beni55/riot,daemonchen/riotjs,chetanism/riot,daemonchen/riotjs,sylvainpolletvillard/riot,rthbound/riot,txchen/riotjs,marciojcoelho/riotjs,zawsx/js-lib-webcomponents-react-riot,laomu1988/riot,txchen/riotjs,antonheryanto/riot,xtity/riot,scalabl3/riot,thepian/riot,rasata/riot,laomu1988/riot,beni55/riot,sylvainpolletvillard/riot,mike-ward/riot,marcioj/riot,AndrewSwerlick/riot,stonexer/riot,ListnPlay/riotjs,antonheryanto/riot,madlordory/riot,ListnPlay/riotjs,joshcartme/riot,zawsx/js-lib-webcomponents-react-riot,noodle-learns-programming/riot,marcioj/riot,stonexer/riot,rthbound/riot,davidmarkclements/riot,joshcartme/riot,rasata/riot,davidmarkclements/riot,crisward/riot,seedtigo/riot,dp-lewis/riot,xieyu33333/riot,chetanism/riot,qrb/riotjs,crisward/riot,AndrewSwerlick/riot,a-moses/riot,baysao/riot,muut/riotjs,xieyu33333/riot,xtity/riot,duongphuhiep/riot,thepian/riot,seedtigo/riot,madlordory/riot,dp-lewis/riot,qrb/riotjs,dschnare/riot,noodle-learns-programming/riot