moved segmentation-grabcut test to blacklist (#issue 666)

tests/cv/src/tsysa.cpp

@@ -51,6 +51,7 @@ const char* blacklist[] =
     "subdiv",                         //ticket 454
     "warp-resize",                    //ticket 429
     "latentsvmdetector",              //ticket 661
+    "segmentation-grabcut",           //ticket 666
     0
 };