From fa508a95c1309c85d6f1057ceceeb5e2d36ac07e Mon Sep 17 00:00:00 2001
From: Thales Macedo Garitezi <thalesmg@gmail.com>
Date: Mon, 29 May 2023 18:09:35 -0300
Subject: [PATCH] test(telemetry): fix flaky test

```
%%% emqx_telemetry_SUITE ==>
Failure/Error: ?assertEqual(0, get_value ( num_clients , TelemetryData1 ))
  expected: 0
       got: 1
      line: 454
```
---
 apps/emqx_telemetry/test/emqx_telemetry_SUITE.erl | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/apps/emqx_telemetry/test/emqx_telemetry_SUITE.erl b/apps/emqx_telemetry/test/emqx_telemetry_SUITE.erl
index 65604c4e5..3ef2142e8 100644
--- a/apps/emqx_telemetry/test/emqx_telemetry_SUITE.erl
+++ b/apps/emqx_telemetry/test/emqx_telemetry_SUITE.erl
@@ -430,25 +430,25 @@ t_num_clients(_Config) ->
         {port, 1883},
         {clean_start, false}
     ]),
-    {{ok, _}, _} = ?wait_async_action(
+    {{ok, _}, {ok, _}} = ?wait_async_action(
         {ok, _} = emqtt:connect(Client),
         #{
             ?snk_kind := emqx_stats_setstat,
             count_stat := 'live_connections.count',
             value := 1
         },
-        2000
+        5_000
     ),
     {ok, TelemetryData0} = emqx_telemetry:get_telemetry(),
     ?assertEqual(1, get_value(num_clients, TelemetryData0)),
-    {ok, _} = ?wait_async_action(
+    {ok, {ok, _}} = ?wait_async_action(
         ok = emqtt:disconnect(Client),
         #{
             ?snk_kind := emqx_stats_setstat,
             count_stat := 'live_connections.count',
             value := 0
         },
-        2000
+        5_000
     ),
     {ok, TelemetryData1} = emqx_telemetry:get_telemetry(),
     ?assertEqual(0, get_value(num_clients, TelemetryData1)),