Fix run reports and Windows Home policy planning

tests/Run-FeatureTests.ps1

@@ -70,6 +70,13 @@ $run=Invoke-MsPrivateGroupPlan -Groups $groups
 Assert-True ($run.Status-eq'PartialFailure'-and($run.Entries | Where-Object { $_.Id -eq 'First' }).Status-eq'Failed') 'Operation runner did not record a failed group.'
 Assert-True (($run.Entries | Where-Object { $_.Id -eq 'Dependent' }).Status-eq'SkippedDependency'-and$events-notcontains'dependent') 'Operation runner executed a blocked dependency.'
 Assert-True (($run.Entries | Where-Object { $_.Id -eq 'Independent' }).Status-eq'Succeeded'-and$events-contains'independent') 'Operation runner did not continue with an independent group.'
+$runReportRoot=Join-Path ([IO.Path]::GetTempPath()) ('ms-private-run-report-'+[guid]::NewGuid().ToString('N'))
+try{
+    $runReportPath=Join-Path $runReportRoot 'run.json'
+    $savedRun=Invoke-MsPrivateGroupPlan -Groups @([pscustomobject]@{Id='WriteReport';Label='Write report';DependsOn=@();Action={}}) -ReportPath $runReportPath
+    $savedRunDisk=Get-Content -LiteralPath $runReportPath -Raw|ConvertFrom-Json
+    Assert-True ($savedRun.Status-eq'Completed'-and$savedRunDisk.Status-eq'Completed'-and$savedRunDisk.Entries[0].Status-eq'Succeeded') 'Operation runner could not write and finalize a run report.'
+}finally{if(Test-Path -LiteralPath $runReportRoot){Remove-Item -LiteralPath $runReportRoot -Recurse -Force}}
 
 $calls=[Collections.Generic.List[string]]::new()
 $backend=@{