[SYCL][E2E] Disable assert_in_multiple_tus.cpp on Arc (#15030)

Flaky on DG2

#15029

Signed-off-by: Sarnie, Nick <nick.sarnie@intel.com>

sycl/test-e2e/Assert/assert_in_multiple_tus.cpp

@@ -9,6 +9,9 @@
 // FIXME: Remove XFAIL one intel/llvm#11364 is resolved
 // XFAIL: (opencl && gpu)
 
+// https://github.com/intel/llvm/issues/15029
+// UNSUPPORTED: gpu-intel-dg2
+
 // RUN: %{build} -DSYCL_FALLBACK_ASSERT=1 -I %S/Inputs %S/Inputs/kernels_in_file2.cpp -o %t.out
 // RUN: %{run} %t.out &> %t.txt ; FileCheck %s --input-file %t.txt %if fpga %{ --check-prefix=CHECK-ACC %}
 // Shouldn't fail on ACC as fallback assert isn't enqueued there