def METHOD_NAME(self):
    py_cmd = 'gdb.execute(f"heap set-arena {int(list(gef.heap.arenas)[1]):#x}")'
    before = ['run', 'python ' + py_cmd]
    cmd = "heap chunks"
    target = _target("heap-multiple-heaps")
    res = gdb_run_silent_cmd(cmd, before=before, target=target)
    self.assertNoException(res)
    self.assertIn("Chunk(addr=", res)
    self.assertIn("top chunk", res)