tests/Test-CmSiteAdminsCount.ps1

function Test-CmSiteAdminsCount {
    [CmdletBinding()]
    param (
        [parameter()][string] $TestName = "Site Admins Membership Count",
        [parameter()][string] $TestGroup = "configuration",
        [parameter()][string] $Description = "Check if more users are full admins than should be",
        [parameter()][hashtable] $ScriptParams
    )
    try {
        $startTime = (Get-Date)
        [int]$defaultSetting = Get-CmHealthDefaultValue -KeySet "configmgr:MaxAdministratorsCount" -DataSet $CmHealthConfig
        [System.Collections.Generic.List[PSObject]]$tempdata = @() # for detailed test output to return if needed
        $stat   = "PASS" # do not change this
        $except = "WARNING" # or "FAIL"
        $msg    = "No issues found" # do not change this either
        $query = "select LogonName,DisplayName,IsGroup,AdminSID from v_Admins"
        [array]$res = Get-CmSqlQueryResult -Query $query -Params $ScriptParams
        if ($res.Count -gt $defaultSetting) {
            $stat = $except
            $msg  = "$($res.Count) items found"
            $res | Foreach-Object {
                $tempdata.Add(
                    [pscustomobject]@{
                        LogonName = $_.LogonName
                        DisplayName = $_.Displayname
                        IsGroup = $_.IsGroup
                        SID = $_.AdminSID
                    }
                )
            }
        }
    }
    catch {
        $stat = 'ERROR'
        $msg = $_.Exception.Message -join ';'
    }
    finally {
        $rt = Get-RunTime -BaseTime $startTime
        Write-Output $([pscustomobject]@{
            TestName    = $TestName
            TestGroup   = $TestGroup
            TestData    = $tempdata
            Description = $Description
            Status      = $stat
            Message     = $msg
            RunTime     = $rt
            Credential  = $(if($ScriptParams.Credential){$($ScriptParams.Credential).UserName} else { $env:USERNAME })
        })
    }
}