spider/bugfix.perfschema fails sporadically

CURRENT_TEST: spider/bugfix.perfschema

--- 10.11/storage/spider/mysql-test/spider/bugfix/r/perfschema.result	2025-05-26 17:37:28.267009380 +0400

+++ 10.11/storage/spider/mysql-test/spider/bugfix/r/perfschema.reject	2026-01-11 19:11:51.436620894 +0400

@@ -7,5 +7,6 @@

 variable_name	variable_value

 Spider_direct_aggregate	0

 Spider_direct_aggregate	0

+Spider_direct_aggregate	0

 disconnect foo;

 connection default;

diff --git a/sql/sql_connect.cc b/sql/sql_connect.cc

index c279f2663c8..c227fee943e 100644

--- a/sql/sql_connect.cc

+++ b/sql/sql_connect.cc

@@ -1483,6 +1483,7 @@ void do_handle_one_connection(CONNECT *connect, bool put_in_cache)

     if (thd->userstat_running)

       update_global_user_stats(thd, create_user, time(NULL));

+    sleep(1);

     unlink_thd(thd);

     if (IF_WSREP(thd->wsrep_applier, false) || !put_in_cache ||

         !(connect= thread_cache.park()))