Preserve cleanup previews and changed files

tests/Run-All.ps1

@@ -8,5 +8,5 @@ foreach ($file in $files) {
     [System.Management.Automation.Language.Parser]::ParseFile($file.FullName,[ref]$tokens,[ref]$errors) | Out-Null
     if ($errors.Count) {throw ($errors | Out-String)}
 }
-foreach ($suite in @('Run-Tests.ps1','Run-AppTests.ps1','Run-OfflineUpdateTests.ps1','Run-FeatureTests.ps1')) {& (Join-Path $PSScriptRoot $suite)}
+foreach ($suite in @('Run-Tests.ps1','Run-AppTests.ps1','Run-OfflineUpdateTests.ps1','Run-FeatureTests.ps1','Run-CleanupTests.ps1')) {& (Join-Path $PSScriptRoot $suite)}
 Write-Output 'All checks passed. No live policy or application mutations were performed.'