add tests

maxscale-system-test/session_hang/setmix.sql

@@ -0,0 +1,37 @@
+set autocommit=0;
+use mysql;
+set autocommit=1;
+use test;
+set autocommit=0;
+use mysql;
+set autocommit=1;
+select user,host from user;
+set autocommit=0;
+use fakedb;
+use test;
+use mysql;
+use dontuse;
+use mysql;
+drop table if exists t1;
+commit;
+use test;
+use mysql;
+set autocommit=1;
+create table t1(id integer primary key);
+insert into t1 values(5);
+use test;
+use mysql;
+select user from user;
+set autocommit=0;
+set autocommit=1;
+set autocommit=0;
+insert into mysql.t1 values(7);
+use mysql;
+rollback work;
+commit;
+delete from mysql.t1 where id=7;
+insert into mysql.t1 values(7);
+select host,user from mysql.user;
+set autocommit=1;
+delete from mysql.t1 where id = 7;
+select 1 as "endof cycle" from dual;