Revert "Update Verify.Tests.csproj"

This reverts commit 6acff2c.

Author: SimonCropp

src/Verify.Tests/Verify.Tests.csproj

@@ -19,6 +19,7 @@
     <PackageReference Include="MarkdownSnippets.MsBuild" Version="24.5.1" />
     <PackageReference Include="System.Drawing.Common" Version="7.0.0" Condition="$(TargetFramework) == 'net8.0' OR $(TargetFramework) == 'net7.0'" />
     <PackageReference Include="System.Runtime.InteropServices.RuntimeInformation" Version="4.3.0" />
+    <PackageReference Include="xunit.runner.visualstudio" Version="2.4.5" PrivateAssets="all" />
     <PackageReference Include="Xunit" Version="2.4.2" />
     <PackageReference Include="ProjectDefaults" Version="1.0.91" PrivateAssets="all" />
     <ProjectReference Include="..\TargetLibrary\TargetLibrary.csproj" />