main.drop_bad_db_type failed in buildbot with wrong result

main.drop_bad_db_type                    w2 [ fail ]

        Test ended at 2018-03-23 10:25:21

CURRENT_TEST: main.drop_bad_db_type

--- /usr/share/mysql-test/r/drop_bad_db_type.result	2018-03-23 08:00:35.000000000 +0000

+++ /dev/shm/var/2/log/drop_bad_db_type.reject	2018-03-23 10:25:21.800456985 +0000

@@ -26,8 +26,16 @@

 Code	1286

 Message	Unknown storage engine 'ARCHIVE'

 install soname 'ha_archive';

+fix8605.txt

+mdev8605.txt

+sep8605.txt

 t1.ARZ

 t1.frm

+xml8605.txt

 drop table t1;

+fix8605.txt

+mdev8605.txt

+sep8605.txt

+xml8605.txt

 uninstall soname 'ha_archive';

 set debug_dbug='-d,unstable_db_type';

mysqltest: Result length mismatch