Enable plugin rabbitmq_amqp1_0 if necessary

Author: mkuratczyk

deps/rabbit/test/amqp_client_SUITE.erl

@@ -359,6 +359,13 @@ init_per_testcase(T = dead_letter_reject, Config) ->
             {skip, "This test is known to fail with feature flag message_containers_deaths_v2 disabled "
              "due bug https://github.com/rabbitmq/rabbitmq-server/issues/11159"}
     end;
+init_per_testcase(T, Config)
+  when T =:= classic_queue_on_new_node orelse
+       T =:= quorum_queue_on_new_node ->
+    %% If node 1 runs 4.x, this is the new no-op plugin.
+    %% If node 1 runs 3.x, this is the old real plugin.
+    ok = rabbit_ct_broker_helpers:enable_plugin(Config, 1, rabbitmq_amqp1_0),
+    rabbit_ct_helpers:testcase_started(Config, T);
 init_per_testcase(Testcase, Config) ->
     rabbit_ct_helpers:testcase_started(Config, Testcase).