test: fix tracepoint after merge conflict

apps/emqx_cluster_link/src/emqx_cluster_link_router_syncer.erl

@@ -493,8 +493,7 @@ handle_client_down(
     Reason,
     St = #st{target = TargetCluster, actor = Actor, bootstrapped = Bootstrapped}
 ) ->
-    ?SLOG(error, #{
-        msg => "cluster_link_connection_failed",
+    ?tp(error, "cluster_link_connection_failed", #{
         reason => Reason,
         target_cluster => St#st.target,
         actor => St#st.actor