fixed error catching
fixed error catching

sourishkrout/grunt-saucelabs,Nycto/grunt-saucelabs,xi/grunt-saucelabs,asfaltboy/grunt-saucelabs,axemclion/grunt-saucelabs,bytbil/sauce-test-runner,Nycto/grunt-saucelabs,bytbil/sauce-test-runner,bytbil/gulp-saucelabs,bytbil/sauce-test-runner,sourishkrout/grunt-saucelabs,sourishkrout/grunt-saucelabs,bytbil/gulp-saucelabs,axemclion/grunt-saucelabs,axemclion/grunt-saucelabs,xi/grunt-saucelabs,PaulWells/grunt-saucelabs,asfaltboy/grunt-saucelabs,marioestrada/grunt-saucelabs,PaulWells/grunt-saucelabs,marioestrada/grunt-saucelabs,marioestrada/grunt-saucelabs,bytbil/gulp-saucelabs,xi/grunt-saucelabs,Nycto/grunt-saucelabs,PaulWells/grunt-saucelabs,asfaltboy/grunt-saucelabs