[SYCL] Temporarily disable work_group_size_prop for CUDA (#1338)

The CUDA backend currently fails to throw the expected exceptions in
work_group_size_prop. This requires more investigation so in the
meantime we disable the test.

Signed-off-by: Larsen, Steffen <[email protected]>

Author: steffenlarsen

SYCL/Basic/work_group_size_prop.cpp

@@ -3,8 +3,8 @@
 // RUN: %GPU_RUN_PLACEHOLDER %t.out
 // RUN: %ACC_RUN_PLACEHOLDER %t.out
 //
-// Failing negative test with HIP
-// XFAIL: hip
+// Failing negative test with HIP. Temporarily disabled for CUDA.
+// XFAIL: hip, cuda
 
 #include <sycl/sycl.hpp>