Make test more stable on PhantomJS.
Make test more stable on PhantomJS.

eliasp/otrs,rudy500/otrs,thorsteneckel/otrs,muehlbauer/otrs,rudy500/otrs,nilei/otrs,crythias/otrs,brandonshults01/otrs,thorsteneckel/otrs,crythias/otrs,xhoy/otrs,linearregression/otrs,mburggraf/otrs,s7design/otrs,muehlbauer/otrs,rudy500/otrs,MBRG/otrs,eliasp/otrs,eliasp/otrs,rudy500/otrs,linearregression/otrs,mburggraf/otrs,thorsteneckel/otrs,muehlbauer/otrs,linearregression/otrs,brandonshults01/otrs,MBRG/otrs,xhoy/otrs,xhoy/otrs,thorsteneckel/otrs,linearregression/otrs,s7design/otrs,brandonshults01/otrs,MBRG/otrs,MBRG/otrs,mburggraf/otrs,eliasp/otrs,brandonshults01/otrs,rudy500/otrs,eliasp/otrs,nilei/otrs,xhoy/otrs,brandonshults01/otrs,mburggraf/otrs,crythias/otrs,s7design/otrs,nilei/otrs,nilei/otrs,linearregression/otrs,s7design/otrs,MBRG/otrs,xhoy/otrs,muehlbauer/otrs,crythias/otrs,crythias/otrs,s7design/otrs,nilei/otrs,muehlbauer/otrs,mburggraf/otrs,thorsteneckel/otrs