$OU = "OU=Users,OU=Test,DC=test,DC=com"
Get-ADGroupMember -Server test.com -Identity 'probation-'test-group' | foreach { Move-ADObject -server test.com -Identity $_.DistinguishedName -TargetPath $OU}
Get-ADGroupMember -Server test.com -Identity 'probation-'test-group' | foreach { Move-ADObject -server test.com -Identity $_.DistinguishedName -TargetPath $OU}