[SYCL] Fix test issues

- Mark free_function_queries.cpp UNSUPPORTED for Level_Zero.
- Fix global size to enable HandleException.cpp and add OpenCL backend
requirement because expected exception is generated for OpenCL only.

Author: vladimirlaz

SYCL/Basic/free_function_queries/free_function_queries.cpp

@@ -5,7 +5,7 @@
 // RUN: %GPU_RUN_PLACEHOLDER %t.out
 
 // TODO: Support global work offset on Level Zero.
-// XFAIL: level_zero
+// UNSUPPORTED: level_zero
 
 //==- free_function_queries.cpp - SYCL free function queries test -=//
 //

SYCL/Scheduler/HandleException.cpp

@@ -2,8 +2,9 @@
 // RUN: %CPU_RUN_PLACEHOLDER %t.out
 // RUN: %ACC_RUN_PLACEHOLDER %t.out
 // RUN: %GPU_RUN_PLACEHOLDER %t.out
-// XFAIL:gpu
 
+// Expected exception is generated for OpenCL backend only.
+// REQUIRES: opencl
 #include <CL/sycl.hpp>
 #include <array>
 
@@ -13,7 +14,7 @@ constexpr access::mode sycl_read = access::mode::read;
 constexpr access::mode sycl_write = access::mode::write;
 
 constexpr unsigned MAX_WG_SIZE = 4;
-constexpr unsigned SIZE = 5;
+constexpr unsigned SIZE = 8;
 using ArrayType = std::array<unsigned, SIZE>;
 
 class kernelCompute;