SqlSetup: Unable to install feature SNAC_SDK

Details of the scenario you tried and the problem that is occurring:
It is not possible to install the feature SNAC_SDK. It should be supported as a feature for SQL Server 2012 and above.

https://technet.microsoft.com/en-us/library/ms144259(v=sql.110).aspx#Anchor_10

The DSC configuration that is using the resource (as detailed as possible):

xSQLServerSetup 'InstallTEST'
{
    InstanceName = 'TEST'
    Features = 'SQLENGINE,SNAC_SDK'            
    SQLSvcAccount = $SqlServiceCredential
    AgtSvcAccount = $SqlServiceCredential
    SQLSysAdminAccounts = $SqlInstallCredential.UserName,
    
    SourcePath = 'C:\TEMP\SQL2012RTM'            
    UpdateEnabled = 'False'
    ForceReboot = $false
}

Version of the Operating System, SQL Server and PowerShell the DSC Target Node is running:
SQL Server 2012

What module (SqlServer or SQLPS) and which version of the module the DSC Target Node is running:
n/a

Version of the DSC module you're using, or 'dev' if you're using current dev branch:
Dev

Start with the xSQLServerSetup configuration shown in the issue and trace how the Features value is validated and passed to SQL Server 2012 setup. Confirm the SNAC_SDK feature is accepted and installed when combined with SQLENGINE, and verify the configuration completes successfully.