self.send_and_assert_no_replies(self.tun_if, tx)
node_name = "/err/%s/unsup_payload" % self.tun4_decrypt_node_name[0]
self.assertEqual(1, self.statistics.get_err_counter(node_name))
self.send_and_assert_no_replies(self.tun_if, tx)
node_name = "/err/%s/unsup_payload" % self.tun4_decrypt_node_name[0]
self.assertEqual(1, self.statistics.get_err_counter(node_name))