Run unit tests in Microsoft.Testing.Platform mode (#896)

* Move tests to Microsoft.Testing.Platform

* Update test dependencies

* Downgrade NUnit3TestAdapter due to dependency bug

Author: Romfos

tests/NSubstitute.Acceptance.Specs/NSubstitute.Acceptance.Specs.csproj

@@ -1,13 +1,15 @@
-<Project Sdk="Microsoft.NET.Sdk">
+<Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup>
     <TargetFrameworks>net9.0;net8.0;net462</TargetFrameworks>
+    <OutputType>Exe</OutputType>
+    <EnableNUnitRunner>true</EnableNUnitRunner>
+    <TestingPlatformDotnetTestSupport>true</TestingPlatformDotnetTestSupport>
   </PropertyGroup>
 
   <ItemGroup>
     <PackageReference Include="Microsoft.Extensions.Logging.Abstractions" Version="9.0.0" />
-    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.14.0" />
-    <PackageReference Include="NUnit" Version="4.3.2" />
+    <PackageReference Include="NUnit" Version="4.4.0" />
     <PackageReference Include="NUnit3TestAdapter" Version="5.0.0" />
   </ItemGroup>
 

tests/NSubstitute.Benchmarks/NSubstitute.Benchmarks.csproj

@@ -6,7 +6,7 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="BenchmarkDotNet" Version="0.15.0" />
+    <PackageReference Include="BenchmarkDotNet" Version="0.15.2" />
   </ItemGroup>
 
   <ItemGroup>

tests/NSubstitute.Documentation.Tests/NSubstitute.Documentation.Tests.csproj

@@ -2,11 +2,13 @@
 
   <PropertyGroup>
     <TargetFrameworks>net9.0;net8.0;net462</TargetFrameworks>
+    <OutputType>Exe</OutputType>
+    <EnableNUnitRunner>true</EnableNUnitRunner>
+    <TestingPlatformDotnetTestSupport>true</TestingPlatformDotnetTestSupport>
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.14.0" />
-    <PackageReference Include="NUnit" Version="4.3.2" />
+    <PackageReference Include="NUnit" Version="4.4.0" />
     <PackageReference Include="NUnit3TestAdapter" Version="5.0.0" />
   </ItemGroup>
 
@@ -17,9 +19,7 @@
   <ItemGroup>
     <ProjectReference Include="..\..\src\NSubstitute\NSubstitute.csproj" />
 
-    <ProjectReference Include="..\NSubstitute.Documentation.Tests.Generator\NSubstitute.Documentation.Tests.Generator.csproj"
-                      OutputItemType="Analyzer"
-                      ReferenceOutputAssembly="false" />
+    <ProjectReference Include="..\NSubstitute.Documentation.Tests.Generator\NSubstitute.Documentation.Tests.Generator.csproj" OutputItemType="Analyzer" ReferenceOutputAssembly="false" />
   </ItemGroup>
 
 </Project>