test(stomp): refine stomp test cases

apps/emqx_stomp/test/emqx_stomp_SUITE.erl

@@ -100,7 +100,7 @@ t_heartbeat(_) ->
                                                      {<<"host">>, <<"127.0.0.1:61613">>},
                                                      {<<"login">>, <<"guest">>},
                                                      {<<"passcode">>, <<"guest">>},
-                                                     {<<"heart-beat">>, <<"1000,800">>}])),
+                                                     {<<"heart-beat">>, <<"1000,2000">>}])),
                         {ok, Data} = gen_tcp:recv(Sock, 0),
                         {ok, #stomp_frame{command = <<"CONNECTED">>,
                                           headers = _,

apps/emqx_stomp/test/emqx_stomp_heartbeat_SUITE.erl

@@ -35,8 +35,7 @@ t_check_1(_) ->
     {ok, HrtBt1} = emqx_stomp_heartbeat:check(incoming, 0, HrtBt),
     {error, timeout} = emqx_stomp_heartbeat:check(incoming, 0, HrtBt1),
 
-    {ok, HrtBt2} = emqx_stomp_heartbeat:check(outgoing, 0, HrtBt1),
-    {error, timeout} = emqx_stomp_heartbeat:check(outgoing, 0, HrtBt2),
+    {error, timeout} = emqx_stomp_heartbeat:check(outgoing, 0, HrtBt1),
     ok.
 
 t_check_2(_) ->