Tweak qourum queue tick interval for tests

As some tests use metrics to assert on and quorum queues only emit
metrics every 5s by default. This change takes it down to 1s for
selected suites.

It also introduces a new `quorum_tick_interval` application parameter to
set this interval.

Author: kjnilsson

src/rabbit_quorum_queue.erl

@@ -120,6 +120,7 @@ declare(Q) when ?amqqueue_is_quorum(Q) ->
             RaMachine = ra_machine(NewQ),
             ServerIds = [{RaName, Node} || Node <- Nodes],
             ClusterName = RaName,
+            TickTimeout = application:get_env(rabbit, quorum_tick_interval, ?TICK_TIMEOUT),
             RaConfs = [begin
                            UId = ra:new_uid(ra_lib:to_binary(ClusterName)),
                            FName = rabbit_misc:rs(QName),
@@ -129,7 +130,7 @@ declare(Q) when ?amqqueue_is_quorum(Q) ->
                              friendly_name => FName,
                              initial_members => ServerIds,
                              log_init_args => #{uid => UId},
-                             tick_timeout => ?TICK_TIMEOUT,
+                             tick_timeout => TickTimeout,
                              machine => RaMachine}
                        end || ServerId <- ServerIds],
 

test/quorum_queue_SUITE.erl

@@ -126,8 +126,10 @@ memory_tests() ->
 %% Testsuite setup/teardown.
 %% -------------------------------------------------------------------
 
-init_per_suite(Config) ->
+init_per_suite(Config0) ->
     rabbit_ct_helpers:log_environment(),
+    Config = rabbit_ct_helpers:merge_app_env(
+               Config0, {rabbit, [{quorum_tick_interval, 1000}]}),
     rabbit_ct_helpers:run_setup_steps(
       Config,
       [fun rabbit_ct_broker_helpers:enable_dist_proxy_manager/1]).

test/single_active_consumer_SUITE.erl

@@ -45,12 +45,14 @@ groups() ->
         ]}
     ].
 
-init_per_suite(Config) ->
+init_per_suite(Config0) ->
     rabbit_ct_helpers:log_environment(),
-    Config1 = rabbit_ct_helpers:set_config(Config, [
+    Config1 = rabbit_ct_helpers:set_config(Config0, [
         {rmq_nodename_suffix, ?MODULE}
     ]),
-    rabbit_ct_helpers:run_setup_steps(Config1,
+    Config = rabbit_ct_helpers:merge_app_env(
+               Config1, {rabbit, [{quorum_tick_interval, 1000}]}),
+    rabbit_ct_helpers:run_setup_steps(Config,
         rabbit_ct_broker_helpers:setup_steps() ++
         rabbit_ct_client_helpers:setup_steps()).