Tested the web application for checking and testing of all the scenarios, (as there are changes made last night to fix the error/defect encountered) before cycle test 4 started. to make sure that all has been fixed and no more defects to be found, as per testing, all the validation is OK but the message is not also the negative value is not seen by the web application as negative and it is falling to zero quantity validation, modified the web application to fix this and test it again, as per testing, all is OK.