From b846220ffdbe6c1699921c9aeff4f549d96163e3 Mon Sep 17 00:00:00 2001
From: Shawn <506895667@qq.com>
Date: Sat, 28 May 2022 17:15:56 +0800
Subject: [PATCH] fix(test): discard already_started error for gpc test server

---
 apps/emqx_gateway/test/emqx_exproto_echo_svr.erl | 9 ++++++---
 1 file changed, 6 insertions(+), 3 deletions(-)

diff --git a/apps/emqx_gateway/test/emqx_exproto_echo_svr.erl b/apps/emqx_gateway/test/emqx_exproto_echo_svr.erl
index ecc8999ce..25f25ba0c 100644
--- a/apps/emqx_gateway/test/emqx_exproto_echo_svr.erl
+++ b/apps/emqx_gateway/test/emqx_exproto_echo_svr.erl
@@ -106,10 +106,13 @@ end).
 
 start() ->
     application:ensure_all_started(grpc),
-    [start_channel(), start_server()].
+    [ensure_channel(), start_server()].
 
-start_channel() ->
-    grpc_client_sup:create_channel_pool(ct_test_channel, "http://127.0.0.1:9100", #{}).
+ensure_channel() ->
+    case grpc_client_sup:create_channel_pool(ct_test_channel, "http://127.0.0.1:9100", #{}) of
+        {error, {already_started, Pid}} -> {ok, Pid};
+        {ok, Pid} -> {ok, Pid}
+    end.
 
 start_server() ->
     Services = #{