[HIP] Disable flaky failing tests on HIP (#1173)

Signed-off-by: Tikhomirova, Kseniya <[email protected]>

Author: KseniyaTikhomirova

SYCL/Assert/assert_in_simultaneously_multiple_tus.cpp

@@ -1,5 +1,5 @@
-// FIXME flaky fail on CUDA
-// UNSUPPORTED: cuda
+// FIXME flaky fail on CUDA and HIP
+// UNSUPPORTED: cuda || hip
 //
 // RUN: %clangxx -DSYCL_FALLBACK_ASSERT=1 -fsycl -fsycl-targets=%sycl_triple -I %S/Inputs %s %S/Inputs/kernels_in_file2.cpp -o %t.out %threads_lib
 // RUN: %CPU_RUN_PLACEHOLDER %t.out &> %t.txt || true

SYCL/Basic/buffer/buffer_dev_to_dev.cpp

@@ -1,3 +1,5 @@
+// FIXME flaky fail on HIP
+// UNSUPPORTED: hip
 // RUN: %clangxx -fsycl -fsycl-targets=%sycl_triple %s -o %t.out
 // RUN: %HOST_RUN_PLACEHOLDER %t.out
 // RUN: %CPU_RUN_PLACEHOLDER %t.out