function Test-AllConfigFiles
{
    Get-PSSessionConfiguration | ForEach-Object {
        if ($_.ConfigFilePath) {
            $_.ConfigFilePath
            Test-PSSessionConfigurationFile -Verbose -Path $_.ConfigFilePath
        }
    }
}
Test-AllConfigFiles

C:\WINDOWS\System32\WindowsPowerShell\v1.0\SessionConfig\Empty_6fd77bf6-e084-4372-bd8a-af3e207354d3.pssc
True
C:\WINDOWS\System32\WindowsPowerShell\v1.0\SessionConfig\Full_1e9cb265-dae0-4bd3-89a9-8338a47698a1.pssc
VERBOSE: The member 'AliasDefinitions' must contain the required key 'Description'. Add the require key
to the fileC:\WINDOWS\System32\WindowsPowerShell\v1.0\SessionConfig\Full_1e9cb265-dae0-4bd3-89a9-8338a47698a1.pssc.
False
C:\WINDOWS\System32\WindowsPowerShell\v1.0\SessionConfig\NoLanguage_0c115179-ff2a-4f66-a5eb-e56e5692ba22.pssc
True
C:\WINDOWS\System32\WindowsPowerShell\v1.0\SessionConfig\RestrictedLang_b6bd9474-0a6c-4e06-8722-c2c95bb10d3e.pssc
True
C:\WINDOWS\System32\WindowsPowerShell\v1.0\SessionConfig\RRS_3fb29420-2c87-46e5-a402-e21436331efc.pssc
True