From 36f10e929dba3a54526fb908e520f44495157774 Mon Sep 17 00:00:00 2001
From: k32 <10274441+k32@users.noreply.github.com>
Date: Tue, 18 Jan 2022 17:36:10 +0100
Subject: [PATCH] test(lwm2m): Fix flaky test

---
 apps/emqx_gateway/test/emqx_lwm2m_SUITE.erl | 1 +
 1 file changed, 1 insertion(+)

diff --git a/apps/emqx_gateway/test/emqx_lwm2m_SUITE.erl b/apps/emqx_gateway/test/emqx_lwm2m_SUITE.erl
index 30e910f2b..ee239e5d5 100644
--- a/apps/emqx_gateway/test/emqx_lwm2m_SUITE.erl
+++ b/apps/emqx_gateway/test/emqx_lwm2m_SUITE.erl
@@ -1928,6 +1928,7 @@ case100_clients_api(Config) ->
     %% kickout
     {204, _} =
         request(delete, "/gateway/lwm2m/clients/" ++ binary_to_list(ClientId)),
+    timer:sleep(100),
     {200, #{data := []}} = request(get, "/gateway/lwm2m/clients").
 
 case100_subscription_api(Config) ->