SET @@global.wait_timeout= 2;
disconnect default;
connect  wait_con,localhost,root,,test,,;
connection wait_con;
connect  default,localhost,root,,test,,;
connection default;
--disable_reconnect;
SELECT 1;
1
1
connection wait_con;
connection default;
SELECT 2;
Got one of the listed errors
--enable_reconnect;
SELECT 3;
3
3
disconnect default;
connection wait_con;
connect  con1,127.0.0.1,root,,test,$MASTER_MYPORT,;
--disable_reconnect;
SELECT 1;
1
1
connection wait_con;
disconnect wait_con;
connection con1;
SELECT 2;
Got one of the listed errors
--enable_reconnect;
SELECT 3;
3
3
SET @@global.wait_timeout= <start_value>;
disconnect con1;
connect  default,localhost,root,,test,,;
set global log_warnings=2;
connect  foo,localhost,root;
set @@wait_timeout=1;
connection default;
FOUND 1 /Aborted.*Got timeout reading communication packets/ in mysqld.1.err
set global log_warnings=@@log_warnings;