ScheduledTask: Fixed execution account missing domain name (#356)

* Fixed execution account missing domain name

* Prevented an issue when the scheduled task is not yet created.

* Update to changelog

* Merge branch 'master' into fix-missing-domain-name

* Reduced line length

* Merge branch 'fix-missing-domain-name' of https://github.com/jensotto/ComputerManagementDsc into fix-missing-domain-name

* Fixed a typo that was not supposed to be commited

CHANGELOG.md

@@ -14,7 +14,8 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
   - Fixed issue with disabling scheduled tasks that have "Run whether user is
     logged on or not" configured - Fixes [Issue #306](https://github.com/dsccommunity/ComputerManagementDsc/issues/306).
   - Fixed issue with `ExecuteAsCredential` not returning fully qualified username
-    on newer versions of Windows 10 and Windows Server 2019 - Fixes [Issue #352](https://github.com/dsccommunity/ComputerManagementDsc/issues/352).
+    on newer versions of Windows 10 and Windows Server 2019 for both local
+    accounts and domain accounts - Fixes [Issue #352](https://github.com/dsccommunity/ComputerManagementDsc/issues/352).
   - Fixed issue with `StartTime` failing Test-Resource if not specified in the
     resource - Fixes [Issue #148](https://github.com/dsccommunity/ComputerManagementDsc/issues/148).
 - PendingReboot

source/DSCResources/DSC_ScheduledTask/DSC_ScheduledTask.psm1

@@ -1448,9 +1448,18 @@ function Test-TargetResource
             To resolve this, add the computer name if it is missing and if it was passed in the
             ExecuteAsCredential parameter.
         #>
-        if ($username -cmatch '\\' -and $currentValues.ExecuteAsCredential -cnotmatch '\\')
+        if ($username -match "$ENV:COMPUTERNAME\\" -and $currentValues.ExecuteAsCredential)
         {
-            $currentValues.ExecuteAsCredential = "$ENV:COMPUTERNAME\$($currentValues.ExecuteAsCredential)"
+            $currentValues.ExecuteAsCredential = Set-DomainNameInAccountName `
+                -AccountName $currentValues.ExecuteAsCredential `
+                -DomainName $ENV:COMPUTERNAME
+        }
+
+        if ($username -match "$ENV:USERDOMAIN\\" -and $currentValues.ExecuteAsCredential)
+        {
+            $currentValues.ExecuteAsCredential = Set-DomainNameInAccountName `
+                -AccountName $currentValues.ExecuteAsCredential `
+                -DomainName $ENV:USERDOMAIN
         }
     }
     else