testdeck
noun[C]
IT,ACCOUNTINGuk/ˈtestdek/usasmallamountofdata,especiallyinformationconnectedwithaccounts, that ischeckedby acomputerprogramtocompareitsresultswith thosecalculatedby apersontoseeif thecomputerprogramisworkingcorrectly:
The testdeckprocedureis anauditcontrolmechanism.