SharePoint - PreUpgradeCheck for 2010?

what would be similar to the old PreUpgradeCheck?

Get-SPContentDatabase | ForEach-Object { Test-SPContentDatabase $_.ID }

now what do you do to resolve anything found?

some good pointers here:

https://blogs.msdn.com/b/subbu/archive/2012/05/20/fixing-test-spcontentdatabase-warnings.aspx