add test for xpath queries with parenthesized expressions
add test for xpath queries with parenthesized expressions

saulshanabrook/webdriverio,cto/webdriverio,udnisap/webdriverio,Risto-Stevcev/webdriverio,amitaibu/webdriverio,richardmcsong/webdriverio,testingbot/webdriverjs,leahciMic/webdriverio,compulim/webdriverio,stoeffel/webdriverio,stoeffel/webdriverio,noodle-learns-programming/webdriverio,drptbl/webdriverio,gabrielpeery/webdriverio,Pitzcarraldo/webdriverio,dandv/webdriverio,silvenon/webdriverio,eyalzek/webdriverio,pazone/webdriverio,vslinko-forks/webdriverio,vslinko-forks/webdriverio,matteonovelli/webdriverio,monolithed/webdriverio,Mimiscita/webdriverio,adjohnson916/webdriverio,sebastiendavid/webdriverio,compulim/webdriverio,udnisap/webdriverio,adjohnson916/webdriverio,testingbot/webdriverjs,georgecrawford/webdriverio,eyalzek/webdriverio,Risto-Stevcev/webdriverio,rossPatton/webdriverio,noodle-learns-programming/webdriverio,milafrerichs/webdriverio,gabrielpeery/webdriverio,matteonovelli/webdriverio,mike-suggitt/webdriverio,danielgil/webdriverio,georgecrawford/webdriverio,jhoguet/webdriverio,amitaibu/webdriverio,sebastiendavid/webdriverio,dandv/webdriverio,danielgil/webdriverio,wcainboundary/webdriverio,silvenon/webdriverio,angelsanz/webdriverio,leahciMic/webdriverio,saulshanabrook/webdriverio,cto/webdriverio,austek-mdsol/webdriverio,monolithed/webdriverio,angelsanz/webdriverio,milafrerichs/webdriverio,richardmcsong/webdriverio,austek-mdsol/webdriverio,mike-suggitt/webdriverio,rossPatton/webdriverio,jhoguet/webdriverio,Mimiscita/webdriverio,pazone/webdriverio,drptbl/webdriverio,Pitzcarraldo/webdriverio,wcainboundary/webdriverio