Full unit test coverage with istanbul
Full unit test coverage with istanbul

Added missing coverage for _tick and _draw methods of Display

mboersma/rot.js,hyakugei/rot.js,MichelCarroll/rot.js,shelsonjava/rot.js,mohsenil85/rot.js,shelsonjava/rot.js,AEtherSurfer/rot.js,ondras/rot.js,ondras/rot.js,OdeFu/rot.js,mboersma/rot.js,MichelCarroll/rot.js,AEtherSurfer/rot.js,ondras/rot.js,hyakugei/rot.js,mboersma/rot.js,OdeFu/rot.js,AEtherSurfer/rot.js,hyakugei/rot.js,OdeFu/rot.js,MichelCarroll/rot.js,mohsenil85/rot.js,shelsonjava/rot.js