fix: 2.1.9 aligned with test-template

source/tests/Test-EnableDKIM.ps1

@@ -1,23 +1,40 @@
 function Test-EnableDKIM {
     [CmdletBinding()]
     param (
+        # Aligned
         # Parameters can be added if needed
     )
 
     begin {
-        # Dot source the class script
-
-        $auditResults = @()
+        # Dot source the class script if necessary
+        #. .\source\Classes\CISAuditResult.ps1
+        # Initialization code, if needed
     }
 
     process {
         # 2.1.9 (L1) Ensure DKIM is enabled for all Exchange Online Domains
-        # Pass if Enabled is True for all domains. Fail if any domain has Enabled set to False.
+
+        # Retrieve DKIM configuration for all domains
         $dkimConfig = Get-DkimSigningConfig | Select-Object Domain, Enabled
         $dkimResult = ($dkimConfig | ForEach-Object { $_.Enabled }) -notcontains $false
         $dkimFailedDomains = $dkimConfig | Where-Object { -not $_.Enabled } | ForEach-Object { $_.Domain }
 
-        # Create an instance of CISAuditResult and populate it
+        # Prepare failure reasons and details based on compliance
+        $failureReasons = if (-not $dkimResult) {
+            "DKIM is not enabled for some domains"
+        }
+        else {
+            "N/A"
+        }
+
+        $details = if ($dkimResult) {
+            "All domains have DKIM enabled"
+        }
+        else {
+            "DKIM not enabled for: $($dkimFailedDomains -join ', ')"
+        }
+
+        # Create and populate the CISAuditResult object
         $auditResult = [CISAuditResult]::new()
         $auditResult.Status = if ($dkimResult) { "Pass" } else { "Fail" }
         $auditResult.ELevel = "E3"
@@ -31,14 +48,12 @@ function Test-EnableDKIM {
         $auditResult.IG2 = $true
         $auditResult.IG3 = $true
         $auditResult.Result = $dkimResult
-        $auditResult.Details = if (-not $dkimResult) { "DKIM not enabled for: $($dkimFailedDomains -join ', ')" } else { "All domains have DKIM enabled" }
-        $auditResult.FailureReason = if (-not $dkimResult) { "DKIM is not enabled for some domains" } else { "N/A" }
-
-        $auditResults += $auditResult
+        $auditResult.Details = $details
+        $auditResult.FailureReason = $failureReasons
     }
 
     end {
-        # Return auditResults
-        return $auditResults
+        # Return the audit result
+        return $auditResult
     }
 }