Fixing TestSpecialCulturesParsing on CentOS.
Fixing TestSpecialCulturesParsing on CentOS.

DateTime.TryParse can correctly parse the short DateTime if the Date and Time Separators are different, or if the ShortDatePattern has 4 year digits.  Adding a check for different Date and Time Separators to the test.

Fix #4599

jcme/corefx,Jiayili1/corefx,nchikanov/corefx,yizhang82/corefx,JosephTremoulet/corefx,weltkante/corefx,weltkante/corefx,Priya91/corefx-1,gkhanna79/corefx,stone-li/corefx,dhoehna/corefx,billwert/corefx,rjxby/corefx,marksmeltzer/corefx,rubo/corefx,kkurni/corefx,cartermp/corefx,twsouthwick/corefx,cartermp/corefx,yizhang82/corefx,ViktorHofer/corefx,bitcrazed/corefx,jhendrixMSFT/corefx,jcme/corefx,bitcrazed/corefx,fgreinacher/corefx,DnlHarvey/corefx,rjxby/corefx,axelheer/corefx,SGuyGe/corefx,mafiya69/corefx,tijoytom/corefx,zhenlan/corefx,kkurni/corefx,nchikanov/corefx,alexperovich/corefx,gkhanna79/corefx,janhenke/corefx,twsouthwick/corefx,Priya91/corefx-1,tstringer/corefx,twsouthwick/corefx,Jiayili1/corefx,Ermiar/corefx,bitcrazed/corefx,tstringer/corefx,tstringer/corefx,jhendrixMSFT/corefx,jlin177/corefx,dhoehna/corefx,alphonsekurian/corefx,vidhya-bv/corefx-sorting,mmitche/corefx,billwert/corefx,manu-silicon/corefx,bitcrazed/corefx,ViktorHofer/corefx,krk/corefx,yizhang82/corefx,rubo/corefx,rahku/corefx,axelheer/corefx,tijoytom/corefx,JosephTremoulet/corefx,stephenmichaelf/corefx,yizhang82/corefx,cydhaselton/corefx,akivafr123/corefx,nchikanov/corefx,krytarowski/corefx,dhoehna/corefx,alexandrnikitin/corefx,MaggieTsang/corefx,mellinoe/corefx,akivafr123/corefx,parjong/corefx,janhenke/corefx,wtgodbe/corefx,twsouthwick/corefx,MaggieTsang/corefx,mmitche/corefx,rahku/corefx,josguil/corefx,tstringer/corefx,Chrisboh/corefx,benpye/corefx,n1ghtmare/corefx,zhenlan/corefx,Petermarcu/corefx,billwert/corefx,nbarbettini/corefx,wtgodbe/corefx,rjxby/corefx,manu-silicon/corefx,elijah6/corefx,stephenmichaelf/corefx,adamralph/corefx,nbarbettini/corefx,MaggieTsang/corefx,weltkante/corefx,690486439/corefx,ViktorHofer/corefx,MaggieTsang/corefx,Jiayili1/corefx,SGuyGe/corefx,ellismg/corefx,mafiya69/corefx,shahid-pk/corefx,alphonsekurian/corefx,marksmeltzer/corefx,mokchhya/corefx,ravimeda/corefx,vidhya-bv/corefx-sorting,cydhaselton/corefx,stone-li/corefx,tijoytom/corefx,zhenlan/corefx,jhendrixMSFT/corefx,ellismg/corefx,josguil/corefx,Chrisboh/corefx,mokchhya/corefx,rahku/corefx,jlin177/corefx,mafiya69/corefx,seanshpark/corefx,Jiayili1/corefx,DnlHarvey/corefx,lggomez/corefx,the-dwyer/corefx,shmao/corefx,alexandrnikitin/corefx,stone-li/corefx,jhendrixMSFT/corefx,YoupHulsebos/corefx,cydhaselton/corefx,ptoonen/corefx,Petermarcu/corefx,rjxby/corefx,mellinoe/corefx,stephenmichaelf/corefx,elijah6/corefx,twsouthwick/corefx,ericstj/corefx,gkhanna79/corefx,iamjasonp/corefx,stephenmichaelf/corefx,shmao/corefx,DnlHarvey/corefx,pallavit/corefx,ellismg/corefx,Petermarcu/corefx,the-dwyer/corefx,krk/corefx,richlander/corefx,ptoonen/corefx,alphonsekurian/corefx,gkhanna79/corefx,iamjasonp/corefx,jeremymeng/corefx,shahid-pk/corefx,seanshpark/corefx,rahku/corefx,seanshpark/corefx,benpye/corefx,shahid-pk/corefx,vidhya-bv/corefx-sorting,shahid-pk/corefx,Petermarcu/corefx,weltkante/corefx,SGuyGe/corefx,billwert/corefx,690486439/corefx,benjamin-bader/corefx,zhenlan/corefx,Ermiar/corefx,lggomez/corefx,dotnet-bot/corefx,pallavit/corefx,DnlHarvey/corefx,manu-silicon/corefx,kkurni/corefx,ViktorHofer/corefx,lggomez/corefx,benpye/corefx,marksmeltzer/corefx,tijoytom/corefx,SGuyGe/corefx,shimingsg/corefx,zhenlan/corefx,pallavit/corefx,iamjasonp/corefx,mazong1123/corefx,gkhanna79/corefx,YoupHulsebos/corefx,rjxby/corefx,JosephTremoulet/corefx,marksmeltzer/corefx,rahku/corefx,Chrisboh/corefx,ericstj/corefx,zhenlan/corefx,yizhang82/corefx,ravimeda/corefx,fgreinacher/corefx,ericstj/corefx,BrennanConroy/corefx,mmitche/corefx,nchikanov/corefx,ViktorHofer/corefx,iamjasonp/corefx,gkhanna79/corefx,ellismg/corefx,alexperovich/corefx,shmao/corefx,manu-silicon/corefx,ellismg/corefx,shimingsg/corefx,BrennanConroy/corefx,alexandrnikitin/corefx,weltkante/corefx,krk/corefx,stephenmichaelf/corefx,seanshpark/corefx,jlin177/corefx,krk/corefx,cartermp/corefx,MaggieTsang/corefx,fgreinacher/corefx,khdang/corefx,dsplaisted/corefx,ravimeda/corefx,alexandrnikitin/corefx,YoupHulsebos/corefx,richlander/corefx,zhenlan/corefx,vidhya-bv/corefx-sorting,mmitche/corefx,mazong1123/corefx,cartermp/corefx,stone-li/corefx,marksmeltzer/corefx,lggomez/corefx,yizhang82/corefx,alexperovich/corefx,elijah6/corefx,ptoonen/corefx,lggomez/corefx,richlander/corefx,mokchhya/corefx,parjong/corefx,iamjasonp/corefx,richlander/corefx,benpye/corefx,akivafr123/corefx,rubo/corefx,nbarbettini/corefx,dotnet-bot/corefx,dhoehna/corefx,bitcrazed/corefx,mazong1123/corefx,YoupHulsebos/corefx,vidhya-bv/corefx-sorting,twsouthwick/corefx,tijoytom/corefx,ViktorHofer/corefx,josguil/corefx,benjamin-bader/corefx,ericstj/corefx,the-dwyer/corefx,Chrisboh/corefx,mokchhya/corefx,mellinoe/corefx,SGuyGe/corefx,twsouthwick/corefx,jeremymeng/corefx,weltkante/corefx,690486439/corefx,mafiya69/corefx,janhenke/corefx,benpye/corefx,BrennanConroy/corefx,dotnet-bot/corefx,seanshpark/corefx,josguil/corefx,benjamin-bader/corefx,krytarowski/corefx,cydhaselton/corefx,cartermp/corefx,krytarowski/corefx,690486439/corefx,alphonsekurian/corefx,alexandrnikitin/corefx,Chrisboh/corefx,mokchhya/corefx,billwert/corefx,MaggieTsang/corefx,axelheer/corefx,rubo/corefx,JosephTremoulet/corefx,Petermarcu/corefx,dhoehna/corefx,billwert/corefx,ptoonen/corefx,elijah6/corefx,elijah6/corefx,akivafr123/corefx,richlander/corefx,tijoytom/corefx,mazong1123/corefx,rahku/corefx,nbarbettini/corefx,akivafr123/corefx,mellinoe/corefx,seanshpark/corefx,the-dwyer/corefx,mmitche/corefx,SGuyGe/corefx,mokchhya/corefx,shimingsg/corefx,kkurni/corefx,yizhang82/corefx,jeremymeng/corefx,alexperovich/corefx,rahku/corefx,khdang/corefx,ericstj/corefx,seanshpark/corefx,jeremymeng/corefx,alexperovich/corefx,parjong/corefx,wtgodbe/corefx,alphonsekurian/corefx,fgreinacher/corefx,the-dwyer/corefx,shmao/corefx,benjamin-bader/corefx,janhenke/corefx,alexperovich/corefx,cydhaselton/corefx,690486439/corefx,kkurni/corefx,Jiayili1/corefx,benjamin-bader/corefx,DnlHarvey/corefx,gkhanna79/corefx,janhenke/corefx,dhoehna/corefx,iamjasonp/corefx,krytarowski/corefx,mazong1123/corefx,ericstj/corefx,nbarbettini/corefx,nbarbettini/corefx,parjong/corefx,cartermp/corefx,n1ghtmare/corefx,pallavit/corefx,DnlHarvey/corefx,the-dwyer/corefx,khdang/corefx,marksmeltzer/corefx,alphonsekurian/corefx,shmao/corefx,MaggieTsang/corefx,JosephTremoulet/corefx,nchikanov/corefx,krk/corefx,wtgodbe/corefx,jhendrixMSFT/corefx,adamralph/corefx,parjong/corefx,khdang/corefx,ellismg/corefx,krk/corefx,ravimeda/corefx,jcme/corefx,axelheer/corefx,ravimeda/corefx,benpye/corefx,parjong/corefx,wtgodbe/corefx,shmao/corefx,Chrisboh/corefx,jcme/corefx,shahid-pk/corefx,n1ghtmare/corefx,krytarowski/corefx,krytarowski/corefx,JosephTremoulet/corefx,Ermiar/corefx,shmao/corefx,Ermiar/corefx,Jiayili1/corefx,manu-silicon/corefx,shimingsg/corefx,the-dwyer/corefx,dsplaisted/corefx,tstringer/corefx,JosephTremoulet/corefx,wtgodbe/corefx,ravimeda/corefx,Petermarcu/corefx,dhoehna/corefx,kkurni/corefx,ptoonen/corefx,stephenmichaelf/corefx,khdang/corefx,alphonsekurian/corefx,benjamin-bader/corefx,adamralph/corefx,ptoonen/corefx,ViktorHofer/corefx,Petermarcu/corefx,billwert/corefx,n1ghtmare/corefx,Priya91/corefx-1,stone-li/corefx,YoupHulsebos/corefx,shimingsg/corefx,richlander/corefx,axelheer/corefx,mellinoe/corefx,jlin177/corefx,dotnet-bot/corefx,mazong1123/corefx,manu-silicon/corefx,mazong1123/corefx,jcme/corefx,ericstj/corefx,manu-silicon/corefx,khdang/corefx,mafiya69/corefx,ravimeda/corefx,jcme/corefx,jeremymeng/corefx,jlin177/corefx,Ermiar/corefx,jhendrixMSFT/corefx,tijoytom/corefx,Ermiar/corefx,n1ghtmare/corefx,Priya91/corefx-1,krk/corefx,YoupHulsebos/corefx,DnlHarvey/corefx,stone-li/corefx,nbarbettini/corefx,nchikanov/corefx,mmitche/corefx,nchikanov/corefx,rjxby/corefx,marksmeltzer/corefx,mmitche/corefx,lggomez/corefx,jlin177/corefx,shimingsg/corefx,Priya91/corefx-1,shahid-pk/corefx,dotnet-bot/corefx,elijah6/corefx,cydhaselton/corefx,weltkante/corefx,pallavit/corefx,ptoonen/corefx,YoupHulsebos/corefx,janhenke/corefx,dsplaisted/corefx,mellinoe/corefx,rjxby/corefx,lggomez/corefx,krytarowski/corefx,Ermiar/corefx,dotnet-bot/corefx,stone-li/corefx,rubo/corefx,jhendrixMSFT/corefx,pallavit/corefx,wtgodbe/corefx,mafiya69/corefx,Jiayili1/corefx,parjong/corefx,josguil/corefx,Priya91/corefx-1,alexperovich/corefx,jlin177/corefx,tstringer/corefx,josguil/corefx,shimingsg/corefx,cydhaselton/corefx,richlander/corefx,dotnet-bot/corefx,stephenmichaelf/corefx,elijah6/corefx,axelheer/corefx,iamjasonp/corefx