disks.disks fails on buildbot.mariadb.org

disks.disks                              w8 [ fail ]

        Test ended at 2020-06-08 10:50:22

CURRENT_TEST: disks.disks

--- /buildbot/ubuntu-2004/build/plugin/disks/mysql-test/disks/disks.result	2020-06-08 10:03:21.000000000 +0000

+++ /buildbot/ubuntu-2004/build/plugin/disks/mysql-test/disks/disks.reject	2020-06-08 10:50:22.263144830 +0000

@@ -9,4 +9,4 @@

 ) ENGINE=MEMORY DEFAULT CHARSET=utf8

 select sum(Total) > sum(Available), sum(Total)>sum(Used) from information_schema.disks;

 sum(Total) > sum(Available)	sum(Total)>sum(Used)

-1	1

+0	1

mysqltest: Result content mismatch

 - saving '/buildbot/ubuntu-2004/build/mysql-test/var/8/log/disks.disks/' to '/buildbot/ubuntu-2004/build/mysql-test/var/log/disks.disks/'