compat/oracle.sp-package-mdl fails sporadically

CURRENT_TEST: compat/oracle.sp-package-mdl

mysqltest: At line 88: query 'SELECT ID-CONNECTION_ID() AS CONN,INFO,STATE,LOCK_MODE,LOCK_TYPE,TABLE_NAME

FROM INFORMATION_SCHEMA.PROCESSLIST

LEFT JOIN INFORMATION_SCHEMA.METADATA_LOCK_INFO

ON (ID=THREAD_ID)

ORDER BY ID,TABLE_NAME,LOCK_MODE,LOCK_TYPE' failed: ER_DATA_OUT_OF_RANGE (1690): BIGINT UNSIGNED value is out of range in '"information_schema"."PROCESSLIST"."ID" - connection_id()'

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()))