Added a handful of global usings that most test projects utilize. Some individual aliases were required for CLI command names or TemplateEngine classes. Removed global usings that didn't apply to certain projects. Removed unused usings for dotnet-new.Tests as that project errors on unused usings.

Author: MiYanni

src/Tests/ArgumentsReflector/ArgumentsReflector.csproj

@@ -12,4 +12,17 @@
     </Content>
   </ItemGroup>
 
+  <!-- Global usings removal -->
+  <!-- See: https://learn.microsoft.com/dotnet/core/project-sdk/msbuild-props#using -->
+  <ItemGroup>
+    <Using Remove="FluentAssertions" />
+    <Using Remove="Microsoft.NET.TestFramework" />
+    <Using Remove="Microsoft.NET.TestFramework.Assertions" />
+    <Using Remove="Microsoft.NET.TestFramework.Commands" />
+    <Using Remove="Microsoft.NET.TestFramework.ProjectConstruction" />
+    <Using Remove="Microsoft.NET.TestFramework.Utilities" />
+    <Using Remove="Xunit" />
+    <Using Remove="Xunit.Abstractions" />
+  </ItemGroup>
+
 </Project>

src/Tests/Common/Program.cs

@@ -1,13 +1,6 @@
 // Licensed to the .NET Foundation under one or more agreements.
 // The .NET Foundation licenses this file to you under the MIT license.
 
-using System;
-using System.Collections.Generic;
-using System.IO;
-using System.Linq;
-using Microsoft.NET.TestFramework;
-using Microsoft.NET.TestFramework.Commands;
-
 #pragma warning disable SA1205 // Partial elements should declare access
 partial class Program
 #pragma warning restore SA1205 // Partial elements should declare access

src/Tests/Directory.Build.props

@@ -25,4 +25,17 @@
     <IncludeSymbols>false</IncludeSymbols>
   </PropertyGroup>
 
+  <!-- Global usings -->
+  <!-- See: https://learn.microsoft.com/dotnet/core/project-sdk/msbuild-props#using -->
+  <ItemGroup>
+    <Using Include="FluentAssertions" />
+    <Using Include="Microsoft.NET.TestFramework" />
+    <Using Include="Microsoft.NET.TestFramework.Assertions" />
+    <Using Include="Microsoft.NET.TestFramework.Commands" />
+    <Using Include="Microsoft.NET.TestFramework.ProjectConstruction" />
+    <Using Include="Microsoft.NET.TestFramework.Utilities" />
+    <Using Include="Xunit" />
+    <Using Include="Xunit.Abstractions" />
+  </ItemGroup>
+
 </Project>

src/Tests/HelixTasks/HelixTasks.csproj

@@ -14,4 +14,17 @@
     <PackageReference Include="NuGet.ProjectModel" Version="$(NuGetProjectModelVersion)" />
   </ItemGroup>
 
+  <!-- Global usings removal -->
+  <!-- See: https://learn.microsoft.com/dotnet/core/project-sdk/msbuild-props#using -->
+  <ItemGroup>
+    <Using Remove="FluentAssertions" />
+    <Using Remove="Microsoft.NET.TestFramework" />
+    <Using Remove="Microsoft.NET.TestFramework.Assertions" />
+    <Using Remove="Microsoft.NET.TestFramework.Commands" />
+    <Using Remove="Microsoft.NET.TestFramework.ProjectConstruction" />
+    <Using Remove="Microsoft.NET.TestFramework.Utilities" />
+    <Using Remove="Xunit" />
+    <Using Remove="Xunit.Abstractions" />
+  </ItemGroup>
+
 </Project>

src/Tests/Microsoft.TemplateEngine.Cli.UnitTests/AliasAssignmentTests.cs

@@ -3,7 +3,6 @@
 
 using System.CommandLine;
 using FakeItEasy;
-using FluentAssertions;
 using Microsoft.TemplateEngine.Abstractions;
 using Microsoft.TemplateEngine.Cli.Commands;
 using Microsoft.TemplateEngine.Edge;

src/Tests/Microsoft.TemplateEngine.Cli.UnitTests/BaseTest.cs

@@ -1,8 +1,6 @@
 // Licensed to the .NET Foundation under one or more agreements.
 // The .NET Foundation licenses this file to you under the MIT license.
 
-using Microsoft.NET.TestFramework;
-
 namespace Microsoft.TemplateEngine.Cli.UnitTests
 {
     public abstract class BaseTest

src/Tests/Microsoft.TemplateEngine.Cli.UnitTests/CliTestHostFactory.cs

@@ -6,8 +6,8 @@
 using Microsoft.TemplateEngine.Abstractions;
 using Microsoft.TemplateEngine.Abstractions.PhysicalFileSystem;
 using Microsoft.TemplateEngine.Edge;
-using Microsoft.TemplateEngine.TestHelper;
 using Microsoft.TemplateEngine.Utils;
+using TETestLoggerFactory = Microsoft.TemplateEngine.TestHelper.TestLoggerFactory;
 
 namespace Microsoft.TemplateEngine.Cli.UnitTests
 {
@@ -69,7 +69,7 @@ internal CliTestHost(
                 HostParamDefaults = new Dictionary<string, string>();
                 FileSystem = fileSystem ?? new PhysicalFileSystem();
 
-                _loggerFactory = new TestLoggerFactory();
+                _loggerFactory = new TETestLoggerFactory();
                 addLoggerProviders?.ToList().ForEach(_loggerFactory.AddProvider);
                 _logger = _loggerFactory.CreateLogger("Cli Test Host");
                 _fallbackNames = fallbackNames ?? new[] { "dotnetcli" };

src/Tests/Microsoft.TemplateEngine.Cli.UnitTests/ParserTests/HelpTests.Resolution.cs

@@ -3,7 +3,6 @@
 
 using System.CommandLine;
 using FakeItEasy;
-using Microsoft.NET.TestFramework.Utilities;
 using Microsoft.TemplateEngine.Abstractions;
 using Microsoft.TemplateEngine.Cli.Commands;
 using Microsoft.TemplateEngine.Edge;

src/Tests/Microsoft.TemplateEngine.Cli.UnitTests/ParserTests/InstantiateTests.Subcommand.cs

@@ -3,7 +3,6 @@
 
 using System.CommandLine;
 using FakeItEasy;
-using FluentAssertions;
 using Microsoft.TemplateEngine.Abstractions;
 using Microsoft.TemplateEngine.Cli.Commands;
 using Microsoft.TemplateEngine.Edge;

src/Tests/Microsoft.TemplateEngine.Cli.UnitTests/ParserTests/TabCompletionTests.cs

@@ -4,7 +4,6 @@
 using System.CommandLine;
 using System.CommandLine.Completions;
 using FakeItEasy;
-using Microsoft.NET.TestFramework;
 using Microsoft.TemplateEngine.Abstractions;
 using Microsoft.TemplateEngine.Abstractions.Constraints;
 using Microsoft.TemplateEngine.Cli.Commands;