Tests the following operations for MariaDB:
* Stop
* Recovery
Backup and restore will be added in a separate change.
Depends-On: https://review.opendev.org/693329
Change-Id: I836d91554715cce0e82c1bbebb7430c457418b2d
(cherry picked from commit ed996ef90d35fa1a75eea3b1c9ec4dcdc6193bd3)
(cherry picked from commit 93b89194a74a944389f7cd1c58af84a296866088)