Mark the debug.cu tests as KNOWN_FAILURES on OSX
Mark the debug.cu tests as KNOWN_FAILURES on OSX

bfurtaw/thrust,allendaicool/thrust,julianromera/thrust,levendlee/thrust,h1arshad/thrust,allendaicool/thrust,bfurtaw/thrust,malenie/thrust,levendlee/thrust,UIKit0/thrust,lishi0927/thrust,rdmenezes/thrust,Vishwa07/thrust,hemmingway/thrust,h1arshad/thrust,google-code-export/thrust,bfurtaw/thrust,hemmingway/thrust,UIKit0/thrust,UIKit0/thrust,malenie/thrust,bfurtaw/thrust,Vishwa07/thrust,google-code-export/thrust,h1arshad/thrust,julianromera/thrust,lishi0927/thrust,julianromera/thrust,hemmingway/thrust,h1arshad/thrust,allendaicool/thrust,lishi0927/thrust,malenie/thrust,rdmenezes/thrust,hemmingway/thrust,allendaicool/thrust,google-code-export/thrust,levendlee/thrust,UIKit0/thrust,rdmenezes/thrust,rdmenezes/thrust,lishi0927/thrust,Vishwa07/thrust,google-code-export/thrust,malenie/thrust,levendlee/thrust,julianromera/thrust,Vishwa07/thrust