Added code policy nofilter directive for date/time functions to unit test helper.
Added code policy nofilter directive for date/time functions to unit test helper.

MBRG/otrs,xhoy/otrs,mburggraf/otrs,mburggraf/otrs,rudy500/otrs,s7design/otrs,crythias/otrs,mburggraf/otrs,mburggraf/otrs,MBRG/otrs,crythias/otrs,MBRG/otrs,crythias/otrs,crythias/otrs,MBRG/otrs,rudy500/otrs,s7design/otrs,rudy500/otrs,rudy500/otrs,rudy500/otrs,xhoy/otrs,xhoy/otrs,s7design/otrs,mburggraf/otrs,xhoy/otrs,MBRG/otrs,xhoy/otrs,crythias/otrs,s7design/otrs,s7design/otrs