Update SYCL/Basic/enqueue_barrier.cpp

Author: vladimirlaz

SYCL/Basic/enqueue_barrier.cpp

@@ -3,6 +3,8 @@
 // RUN: env SYCL_PI_TRACE=2 %GPU_RUN_PLACEHOLDER %t.out 2>&1 %GPU_CHECK_PLACEHOLDER
 // RUN: env SYCL_PI_TRACE=2 %ACC_RUN_PLACEHOLDER %t.out 2>&1 %ACC_CHECK_PLACEHOLDER
 
+// The test is failing sporadically on Windows OpenCL RTs 
+// Disabling on windows until fixed
 // UNSUPPORTED: cuda || windows
 
 #include <CL/sycl.hpp>