Migrate to latest MSTest v4

Author: jbe2277

src/FileHashGenerator/Directory.Build.props

@@ -18,9 +18,7 @@
         <RunSettingsFilePath>$(MSBuildThisFileDirectory)CodeCoverage.runsettings</RunSettingsFilePath>
       </PropertyGroup>
       <ItemGroup>
-        <PackageReference Include="Microsoft.NET.Test.Sdk" />
-        <PackageReference Include="MSTest.TestAdapter" />
-        <PackageReference Include="MSTest.TestFramework" />
+        <PackageReference Include="MSTest" />
       </ItemGroup>
     </When>
   </Choose>

src/FileHashGenerator/Directory.Packages.props

@@ -10,9 +10,7 @@
     <PackageVersion Include="System.Waf.Core" Version="8.1.0" />
     <PackageVersion Include="System.Waf.Wpf" Version="8.1.0" />
     <!-- Unit tests -->
-    <PackageVersion Include="Microsoft.NET.Test.Sdk" Version="17.13.0" />
-    <PackageVersion Include="MSTest.TestAdapter" Version="3.8.2" />
-    <PackageVersion Include="MSTest.TestFramework" Version="3.8.2" />
+    <PackageVersion Include="MSTest" Version="4.0.2" />
     <PackageVersion Include="System.Waf.UnitTesting.Core" Version="8.1.0" />
     <PackageVersion Include="System.Waf.UnitTesting.Wpf" Version="8.1.0" />
   </ItemGroup>