Comment 1 for bug 1689736

Seen as an intermittent main.max_statement_time_func failure:

main.max_statement_time_func w1 [ fail ]
        Test ended at 2017-05-03 09:49:13

CURRENT_TEST: main.max_statement_time_func
mysqltest: At line 63: query 'SELECT f1()' failed with wrong errno 2013: 'Lost connection to MySQL server during query', instead of 1886...