···

       
51
       
51
       
 
       


     

       
52
       
52
       
 
       
      # Do a backup and wait for it to start

     

       
53
       
53
       
 
       
      master.start_job("mysql-backup.service")

     

       
54
       
54
       
-
       
      master.wait_for_unit("mysql-backup.service")

     

       
55
       
54
       
 
       


     

       
56
       
55
       
 
       
      # wait for backup to fail, because of database 'doesnotexist'

     

       
57
       
56
       
 
       
      master.wait_until_fails("systemctl is-active -q mysql-backup.service")