Build Windows local test job in official builds

.azure/pipelines/ci.yml

@@ -632,42 +632,43 @@ extends:
               includeForks: true
 
         # Local development validation
-        - ${{ if in(variables['Build.Reason'], 'PullRequest', 'Manual') }}:
-          - template: .azure/pipelines/jobs/default-build.yml@self
-            parameters:
-              jobName: Local_Windows
-              jobDisplayName: 'Test: Windows local development validation'
-              agentOs: Windows
-              isAzDOTestingJob: true
-              timeoutInMinutes: 240
-              steps:
-              - script: git submodule update --init
-                displayName: Update submodules
-              - script: ./restore.cmd
-                displayName: Run restore.cmd
-              - script: ./eng/build.cmd -all -noBuildJava -noBuildNodeJS
-                displayName: Build (No NodeJS)
-              - script: npm run build
-                displayName: Build JS
-              - script: ./eng/build.cmd -all -noBuildJava -pack -c Debug
-                displayName: Build (Debug)
-              - script: ./eng/build.cmd -all -noBuildJava -pack -c Release
-                displayName: Build (Release)
-              - script: ./src/ProjectTemplates/build.cmd
-                        -test
-                        -NoRestore
-                        -NoBuild
-                        -NoBuildDeps
-                        -configuration Release
-                displayName: Run project template tests
-              - powershell: . ./activate.ps1; ./src/ProjectTemplates/scripts/Run-BlazorWeb-Locally.ps1 -Verbose
-                displayName: Run Blazor web app test script
-
-              artifacts:
-              - name: Local_Windows_x64_Logs_Attempt_$(System.JobAttempt)
-                path: artifacts/log/
-                publishOnError: true
-                includeForks: true
+        - template: .azure/pipelines/jobs/default-build.yml@self
+          parameters:
+            jobName: Local_Windows
+            jobDisplayName: 'Test: Windows local development validation'
+            agentOs: Windows
+            isAzDOTestingJob: true
+            timeoutInMinutes: 240
+            steps:
+            - script: git submodule update --init
+              displayName: Update submodules
+            - script: ./restore.cmd
+              displayName: Run restore.cmd
+            - powershell: ./eng/build.ps1 -all -noBuildJava -noBuildNodeJS "-WarnAsError:false"
+              displayName: Build (No NodeJS)
+            - script: npm run build
+              displayName: Build JS
+            - script: ./eng/build.cmd -all -noBuildJava -pack -c Debug
+              displayName: Build (Debug)
+            - script: ./eng/build.cmd -all -noBuildJava -pack -c Release
+              displayName: Build (Release)
+            - script: ./src/ProjectTemplates/build.cmd
+                      -test
+                      -NoRestore
+                      -NoBuild
+                      -NoBuildDeps
+                      -configuration Release
+                      -bl
+                      /p:ContinuousIntegrationBuild=true
+              displayName: Run project template tests
+            - powershell: . ./activate.ps1; ./src/ProjectTemplates/scripts/Run-BlazorWeb-Locally.ps1 -Verbose
+              displayName: Run Blazor web app test script
+
+            artifacts:
+            - name: Local_Windows_x64_Logs_Attempt_$(System.JobAttempt)
+              path: artifacts/log/
+              publishOnError: true
+              includeForks: true
 
       # Source build
       - template: /eng/common/templates-official/job/source-build.yml@self

src/ProjectTemplates/Shared/Project.cs

@@ -426,7 +426,13 @@ internal async Task RunDotNetNewRawAsync(string arguments)
 
     public void Dispose()
     {
-        DeleteOutputDirectory();
+        var continuousIntegrationBuild = typeof(ProjectFactoryFixture).Assembly.GetCustomAttributes<AssemblyMetadataAttribute>()
+            .Single(attribute => attribute.Key == "ContinuousIntegrationBuild")
+            .Value;
+        if (string.Equals(continuousIntegrationBuild, "true", StringComparison.OrdinalIgnoreCase))
+        {
+            DeleteOutputDirectory();
+        }
     }
 
     public void DeleteOutputDirectory()

src/ProjectTemplates/TestInfrastructure/PrepareForTest.targets

@@ -20,6 +20,10 @@
       <_Parameter1>ContinuousIntegrationBuild</_Parameter1>
       <_Parameter2>true</_Parameter2>
     </AssemblyAttribute>
+    <AssemblyAttribute Include="System.Reflection.AssemblyMetadataAttribute" Condition="'$(ContinuousIntegrationBuild)' != 'true'">
+      <_Parameter1>ContinuousIntegrationBuild</_Parameter1>
+      <_Parameter2>false</_Parameter2>
+    </AssemblyAttribute>
   </ItemGroup>
 
     <Target Name="GenerateTesDevCert" BeforeTargets="AssignTargetPaths">