[SYCL][UR][L0v2] Mark Basic/buffer/buffer_create.cpp test as unsupported (#20122)

It fails because L0v2 adapter behaves differently from v1 when it comes
to buffer creation. This test contains a hardcoded check involving
implementation details of the adapter.

Author: kswiecicki

sycl/test-e2e/Basic/buffer/buffer_create.cpp

@@ -8,6 +8,11 @@
 // RUN: %{run} %t.out 2>&1 | FileCheck %s
 // UNSUPPORTED: ze_debug
 
+// L0v2 adapter doesn't optimize buffer creation based on device type yet
+// (integrated buffer implementation needs more work).
+// UNSUPPORTED: level_zero_v2_adapter
+// UNSUPPORTED-TRACKER: https://github.com/intel/llvm/issues/20121
+
 #include <iostream>
 #include <level_zero/ze_api.h>
 #include <sycl/detail/core.hpp>