Unsupported on cuda buffer_dev_to_dev.cpp

Signed-off-by: Aleksander Fadeev <aleksander.fadeev@intel.com>

Author: fadeeval

sycl/test/basic_tests/buffer/buffer_dev_to_dev.cpp

@@ -4,6 +4,9 @@
 // RUN: %GPU_RUN_PLACEHOLDER %t.out
 // RUN: %ACC_RUN_PLACEHOLDER %t.out
 
+// Unsupported: cuda
+//  The test fails sporadically on cuda.
+
 //==---------- buffer_dev_to_dev.cpp - SYCL buffer basic test --------------==//
 //
 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.