Bộ testcase mẫu

https://docs.google.com/spreadsheets/d/1XevKfZUz79zQ9jmytEVSFP5feUzOK6YRPh4njRQ52ko/13fRfr2Q5mV38KbYCgcttrCDErk_5btP1jc0h5F6MgeY/edit?gid=774411113#gid=774411113usp=sharing