jshint fixes [ci skip]
jshint fixes [ci skip]

austek-mdsol/webdriverio,sebastiendavid/webdriverio,Pitzcarraldo/webdriverio,mike-suggitt/webdriverio,drptbl/webdriverio,georgecrawford/webdriverio,gabrielpeery/webdriverio,monolithed/webdriverio,monolithed/webdriverio,danielgil/webdriverio,gabrielpeery/webdriverio,georgecrawford/webdriverio,mike-suggitt/webdriverio,drptbl/webdriverio,Risto-Stevcev/webdriverio,compulim/webdriverio,Risto-Stevcev/webdriverio,testingbot/webdriverjs,compulim/webdriverio,austek-mdsol/webdriverio,testingbot/webdriverjs,sebastiendavid/webdriverio,danielgil/webdriverio,Pitzcarraldo/webdriverio