[SYCL][E2E] Accept default walk-order attribute in kernel_info_attr test

Author: crystarm

sycl/test-e2e/Basic/kernel_info_attr.cpp

@@ -1,9 +1,6 @@
 // RUN: %{build} -o %t.out
 // RUN: %{run} %t.out
 //
-// Fail is flaky for level_zero, enable when fixed.
-// UNSUPPORTED: level_zero
-//
 // Consistently fails with opencl gpu, enable when fixed.
 // XFAIL: opencl && gpu
 // XFAIL-TRACKER: GSD-8971
@@ -41,7 +38,8 @@ int main() {
   });
 
   const std::string krnAttr = krn.get_info<info::kernel::attributes>();
-  assert(krnAttr.empty());
+  assert(krnAttr.empty() ||
+         krnAttr == "intel_reqd_workgroup_walk_order(0,1,2)");
   const std::string krnAttrExt =
       syclex::get_kernel_info<SingleTask, info::kernel::attributes>(ctx);
   assert(krnAttr == krnAttrExt);