When it comes to SureBackup, at least a ping test is desirable. In some situations no network connection can be established to the VM under test because of the internal Windows Firewall. Now it is possible to have SureBackup disable this to reduce these kind of false positives.
For more information to this feature read the documentation:
https://helpcenter.veeam.com/docs/backup/vsphere/surebackup_job_tests_vm.html?ver=120
See the list of all new features in v12:
https://www.veeam.com/veeam_backup_12_0_whats_new_wn.pdf
