diff --git a/apps/emqx_bridge_gcp_pubsub/test/emqx_bridge_gcp_pubsub_consumer_SUITE.erl b/apps/emqx_bridge_gcp_pubsub/test/emqx_bridge_gcp_pubsub_consumer_SUITE.erl
index be6a306e0..b0e4e4ac8 100644
--- a/apps/emqx_bridge_gcp_pubsub/test/emqx_bridge_gcp_pubsub_consumer_SUITE.erl
+++ b/apps/emqx_bridge_gcp_pubsub/test/emqx_bridge_gcp_pubsub_consumer_SUITE.erl
@@ -34,16 +34,22 @@ init_per_suite(Config) ->
     emqx_common_test_helpers:reset_proxy(ProxyHost, ProxyPort),
     case emqx_common_test_helpers:is_tcp_server_available(GCPEmulatorHost, GCPEmulatorPort) of
         true ->
-            ok = emqx_common_test_helpers:start_apps([emqx_conf]),
-            ok = emqx_connector_test_helpers:start_apps([
-                emqx_resource, emqx_bridge, emqx_rule_engine
-            ]),
-            {ok, _} = application:ensure_all_started(emqx_connector),
+            Apps = emqx_cth_suite:start(
+                [
+                    emqx,
+                    emqx_conf,
+                    emqx_bridge_gcp_pubsub,
+                    emqx_bridge,
+                    emqx_rule_engine
+                ],
+                #{work_dir => emqx_cth_suite:work_dir(Config)}
+            ),
             emqx_mgmt_api_test_util:init_suite(),
             HostPort = GCPEmulatorHost ++ ":" ++ GCPEmulatorPortStr,
             true = os:putenv("PUBSUB_EMULATOR_HOST", HostPort),
             Client = start_control_client(),
             [
+                {apps, Apps},
                 {proxy_name, ProxyName},
                 {proxy_host, ProxyHost},
                 {proxy_port, ProxyPort},
@@ -62,12 +68,11 @@ init_per_suite(Config) ->
     end.
 
 end_per_suite(Config) ->
+    Apps = ?config(apps, Config),
     Client = ?config(client, Config),
     stop_control_client(Client),
     emqx_mgmt_api_test_util:end_suite(),
-    ok = emqx_common_test_helpers:stop_apps([emqx_conf]),
-    ok = emqx_connector_test_helpers:stop_apps([emqx_bridge, emqx_resource, emqx_rule_engine]),
-    _ = application:stop(emqx_connector),
+    emqx_cth_suite:stop(Apps),
     os:unsetenv("PUBSUB_EMULATOR_HOST"),
     ok.
 
@@ -1494,10 +1499,11 @@ t_pull_worker_death(Config) ->
     ok.
 
 t_async_worker_death_mid_pull(Config) ->
-    ct:timetrap({seconds, 120}),
+    ct:timetrap({seconds, 122}),
     [#{pubsub_topic := PubSubTopic}] = ?config(topic_mapping, Config),
     Payload = emqx_guid:to_hexstr(emqx_guid:gen()),
     ?check_trace(
+        #{timetrap => 120_000},
         begin
             start_and_subscribe_mqtt(Config),
 
@@ -1513,23 +1519,28 @@ t_async_worker_death_mid_pull(Config) ->
                 #{?snk_kind := gcp_pubsub_consumer_worker_reply_delegator}
             ),
             spawn_link(fun() ->
+                ct:pal("will kill async workers"),
                 ?tp_span(
                     kill_async_worker,
                     #{},
                     begin
                         %% produce a message while worker is being killed
                         Messages = [#{<<"data">> => Payload}],
+                        ct:pal("publishing message"),
                         pubsub_publish(Config, PubSubTopic, Messages),
+                        ct:pal("published message"),
 
                         AsyncWorkerPids = get_async_worker_pids(Config),
                         emqx_utils:pmap(
                             fun(AsyncWorkerPid) ->
                                 Ref = monitor(process, AsyncWorkerPid),
-                                sys:terminate(AsyncWorkerPid, die),
+                                ct:pal("killing pid ~p", [AsyncWorkerPid]),
+                                sys:terminate(AsyncWorkerPid, die, 20_000),
                                 receive
                                     {'DOWN', Ref, process, AsyncWorkerPid, _} ->
+                                        ct:pal("killed pid ~p", [AsyncWorkerPid]),
                                         ok
-                                after 500 -> ct:fail("async worker didn't die")
+                                after 500 -> ct:fail("async worker ~p didn't die", [AsyncWorkerPid])
                                 end,
                                 ok
                             end,
@@ -1538,7 +1549,8 @@ t_async_worker_death_mid_pull(Config) ->
 
                         ok
                     end
-                )
+                ),
+                ct:pal("killed async workers")
             end),
 
             ?assertMatch(