added documentation in addtest.js
added documentation in addtest.js

jkf91/CodeFighter,SlackingPalico/CodeFighter,murmurs/CodeFighter,Way2nnadi/CodeFighter,TheFourLoops/TheFourLoops,jkf91/CodeFighter,a-nguyen/CodeFighter,ccheung0926/TheFourLoops,SlackingPalico/CodeFighter,Way2nnadi/CodeFighter,a-nguyen/CodeFighter,murmurs/CodeFighter,ccheung0926/TheFourLoops,codeCommode/TheFourLoops,codeCommode/TheFourLoops,TheFourLoops/TheFourLoops