Merge pull request #10811 from thalesmg/fix-flaky-kconsumer-balance-test-r50

test(kafka_consumer): attempt to stabilize cluster tests

apps/emqx_bridge_kafka/test/emqx_bridge_kafka_impl_consumer_SUITE.erl

@@ -994,10 +994,8 @@ reconstruct_assignments_from_events(KafkaTopic, Events0, Acc0) ->
         Assignments
     ).
 
-setup_group_subscriber_spy(Node) ->
+setup_group_subscriber_spy_fn() ->
     TestPid = self(),
-    ok = erpc:call(
-        Node,
     fun() ->
         ok = meck:new(brod_group_subscriber_v2, [
             passthrough, no_link, no_history, non_strict
@@ -1022,8 +1020,7 @@ setup_group_subscriber_spy(Node) ->
             end
         ),
         ok
-        end
+    end.
-    ).
 
 wait_for_cluster_rpc(Node) ->
     %% need to wait until the config handler is ready after
@@ -1067,6 +1064,7 @@ cluster(Config) ->
             _ ->
                 ct_slave
         end,
+    ExtraEnvHandlerHook = setup_group_subscriber_spy_fn(),
     Cluster = emqx_common_test_helpers:emqx_cluster(
         [core, core],
         [
@@ -1080,6 +1078,7 @@ cluster(Config) ->
             {env_handler, fun
                 (emqx) ->
                     application:set_env(emqx, boot_modules, [broker, router]),
+                    ExtraEnvHandlerHook(),
                     ok;
                 (emqx_conf) ->
                     ok;
@@ -1680,7 +1679,6 @@ t_cluster_group(Config) ->
                     Nodes
                 )
             end),
-            lists:foreach(fun setup_group_subscriber_spy/1, Nodes),
             {ok, SRef0} = snabbkaffe:subscribe(
                 ?match_event(#{?snk_kind := kafka_consumer_subscriber_started}),
                 length(Nodes),
@@ -1757,7 +1755,6 @@ t_node_joins_existing_cluster(Config) ->
                 ct:pal("stopping ~p", [N1]),
                 ok = emqx_common_test_helpers:stop_slave(N1)
             end),
-            setup_group_subscriber_spy(N1),
             {{ok, _}, {ok, _}} =
                 ?wait_async_action(
                     erpc:call(N1, fun() ->
@@ -1801,7 +1798,6 @@ t_node_joins_existing_cluster(Config) ->
                 ct:pal("stopping ~p", [N2]),
                 ok = emqx_common_test_helpers:stop_slave(N2)
             end),
-            setup_group_subscriber_spy(N2),
             Nodes = [N1, N2],
             wait_for_cluster_rpc(N2),
 
@@ -1902,7 +1898,6 @@ t_cluster_node_down(Config) ->
                     Nodes
                 )
             end),
-            lists:foreach(fun setup_group_subscriber_spy/1, Nodes),
             {ok, SRef0} = snabbkaffe:subscribe(
                 ?match_event(#{?snk_kind := kafka_consumer_subscriber_started}),
                 length(Nodes),