Added missing unit tests.
Added missing unit tests.

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