Added unused function test.
Added unused function test.

septag/termite,coconutxin/bx,BlueCrystalLabs/bx,bkaradzic/bx,MikePopoloski/bx,attilaz/bx,septag/bx,dariomanesku/bx,BlueCrystalLabs/bx,attilaz/bx,septag/termite,ShuangxueBai/bx,u-engine/bx,septag/bx,dariomanesku/bx,septag/termite,septag/termite,OlegOAndreev/bx,pigpigyyy/bx,bkaradzic/bx,0-wiz-0/bx,septag/termite,coconutxin/bx,OlegOAndreev/bx,MikePopoloski/bx,0-wiz-0/bx,ShuangxueBai/bx,fluffyfreak/bx,mmicko/bx,mmicko/bx,u-engine/bx,fluffyfreak/bx,septag/termite,pigpigyyy/bx