Added test case for bug#5903.
Added test case for bug#5903.

PortgasDAce/otrs,rudy500/otrs,linearregression/otrs,crythias/otrs,eliasp/otrs,rudy500/otrs,MBRG/otrs,rudy500/otrs,mbeijen/otrs-1,mbeijen/otrs-1,s7design/otrs,mburggraf/otrs,thorsteneckel/otrs,linearregression/otrs,xhoy/otrs,brandonshults01/otrs,balazj/otrs,nilei/otrs,MBRG/otrs,s7design/otrs,oiami/otrs,noritnk/otrs,StCyr/otrs,oiami/otrs,StCyr/otrs,mburggraf/otrs,StCyr/otrs,mbeijen/otrs-1,noritnk/otrs,mburggraf/otrs,StCyr/otrs,thorsteneckel/otrs,s7design/otrs,s7design/otrs,muehlbauer/otrs,eliasp/otrs,xhoy/otrs,nilei/otrs,PortgasDAce/otrs,linearregression/otrs,StCyr/otrs,linearregression/otrs,s7design/otrs,capeit-tto/otrs,thorsteneckel/otrs,crythias/otrs,muehlbauer/otrs,eliasp/otrs,moritz/otrs,moritz/otrs,mburggraf/otrs,muehlbauer/otrs,noritnk/otrs,balazj/otrs,crythias/otrs,muehlbauer/otrs,balazj/otrs,oiami/otrs,oiami/otrs,MBRG/otrs,eliasp/otrs,crythias/otrs,brandonshults01/otrs,MBRG/otrs,brandonshults01/otrs,brandonshults01/otrs,moritz/otrs,moritz/otrs,nilei/otrs,thorsteneckel/otrs,vlascoder/otrs,xhoy/otrs,oiami/otrs,xhoy/otrs,xhoy/otrs,capeit-tto/otrs,MBRG/otrs,rudy500/otrs,rudy500/otrs,PortgasDAce/otrs,moritz/otrs,vlascoder/otrs,muehlbauer/otrs,mburggraf/otrs,capeit-tto/otrs,thorsteneckel/otrs,PortgasDAce/otrs,balazj/otrs,nilei/otrs,balazj/otrs,linearregression/otrs,brandonshults01/otrs,eliasp/otrs,vlascoder/otrs,PortgasDAce/otrs,nilei/otrs,crythias/otrs