Add tests for fin.
Add tests for fin.

CozyCo/q,homer0/q,homer0/q,cgvarela/q,darkdragon-001/q,gorcz/q,X-Bird/q,behind2/q,aramk/q,linalu1/q,greyhwndz/q,rasata/q,Muffasa/q,willsmth/q,criferlo/q,miamarti/q,bnicart/q,STRd6/q,lvdou2518/q,gorcz/q,signpost/q,potato620/q,kevinsawicki/q,harks198913/q,welbornio/q,rasata/q,CozyCo/q,mcanthony/q,welbornio/q,pwmckenna/q,npmcomponent/techjacker-q,liwangbest/q,dracher/q,gustavobeavis/q,manushthinkster/q,zhangwenquan/q,b12consulting/q,behind2/q,ajunflying/q,criferlo/q,miamarti/q,kriskowal/q,IlianStefanov/q,jymsy/q,zhangwenquan/q,potato620/q,cgvarela/q,Zeratul5/q,willsmth/q,IbpTeam/node-q,lidasong2014/q,manushthinkster/q,gustavobeavis/q,100star/q,ShopCo/q,dracher/q,ajunflying/q,SarunasAzna/q,linalu1/q,mcanthony/q,pwmckenna/q,yizziy/q,greyhwndz/q,darkdragon-001/q,Zeratul5/q,lidasong2014/q,yizziy/q,signpost/q,lvdou2518/q,liwangbest/q,jymsy/q,npmcomponent/microjs-q,IbpTeam/node-q,SarunasAzna/q,ShopCo/q,X-Bird/q,Muffasa/q,aramk/q,kriskowal/q,harks198913/q,b12consulting/q,bnicart/q,IlianStefanov/q