Update 06_Worst_Practices.md
Update 06_Worst_Practices.md

Update the response code worst practice with advice about checking page title/page content
User253489/docs,User253489/docs,SeleniumHQ/docs,User253489/docs,SeleniumHQ/docs,AJ-72/docs,SeleniumHQ/docs,AJ-72/docs,AJ-72/docs