Comment 17 for bug 1657707

Verified on 10.0 build #1569.

Actual results:
OSTF tests are passed for cluster 3 controllers + 2 compute+cinder nodes.

root@node-1:~# dpkg -l | grep mysql-wsrep
ii mysql-wsrep-client-5.6 5.6.35-0~u16.04+mos1 amd64 MySQL database client binaries
ii mysql-wsrep-common-5.6 5.6.35-0~u16.04+mos1 all MySQL database common files, e.g. /etc/mysql/conf.d/my-5.6.cnf
ii mysql-wsrep-libmysqlclient18:amd64 5.6.35-0~u16.04+mos1 amd64 MySQL database client library
ii mysql-wsrep-server-5.6 5.6.35-0~u16.04+mos1 amd64 MySQL database wsrep server binaries and system database setup