Added unit test for lantern library
Added unit test for lantern library

any1xone/lantern,any1xone/lantern,onlynight/lantern,nuan-nuan/lantern,any1xone/lantern,any1xone/lantern,onlynight/lantern,nuan-nuan/lantern,onlynight/lantern,onlynight/lantern,nuan-nuan/lantern,any1xone/lantern,nuan-nuan/lantern,onlynight/lantern,onlynight/lantern,any1xone/lantern,nuan-nuan/lantern,any1xone/lantern,onlynight/lantern,nuan-nuan/lantern,any1xone/lantern,onlynight/lantern,nuan-nuan/lantern,any1xone/lantern,nuan-nuan/lantern,onlynight/lantern,any1xone/lantern,onlynight/lantern,nuan-nuan/lantern,nuan-nuan/lantern