nunit3testadapter 4.4.0 repro

dotnet info

$ dotnet --info
.NET SDK (reflecting any global.json):
 Version:   6.0.406
 Commit:    2988897946

Runtime Environment:
 OS Name:     debian
 OS Version:  11
 OS Platform: Linux
 RID:         debian.11-x64
 Base Path:   /usr/share/dotnet/sdk/6.0.406/

global.json file:
  Not found

Host:
  Version:      6.0.14
  Architecture: x64
  Commit:       2a90daa2cc

.NET SDKs installed:
  6.0.406 [/usr/share/dotnet/sdk]

.NET runtimes installed:
  Microsoft.AspNetCore.App 6.0.14 [/usr/share/dotnet/shared/Microsoft.AspNetCore.App]
  Microsoft.NETCore.App 6.0.14 [/usr/share/dotnet/shared/Microsoft.NETCore.App]

Download .NET:
  https://aka.ms/dotnet-download

Learn about .NET Runtimes and SDKs:
  https://aka.ms/dotnet/runtimes-sdk-info

lib_Class1.cs

using Microsoft.AspNetCore.Builder;
using Microsoft.AspNetCore.Diagnostics.HealthChecks;
using Microsoft.AspNetCore.Routing;

namespace lib;

public static class Class1
{
    public static void MapHealthChecks(IEndpointRouteBuilder builder)
    {
        builder.MapHealthChecks("/foo", new HealthCheckOptions { Predicate = check => check.Tags.Contains("foo") });
    }
}

lib_lib.csproj

<Project Sdk="Microsoft.NET.Sdk">

  <PropertyGroup>
    <TargetFramework>net6.0</TargetFramework>
  </PropertyGroup>

  <ItemGroup>
    <FrameworkReference Include="Microsoft.AspNetCore.App" />
  </ItemGroup>

  <ItemGroup>
    <PackageReference Include="Microsoft.Extensions.DependencyInjection.Abstractions" Version="6.0.0" />
    <PackageReference Include="Microsoft.Extensions.Diagnostics.HealthChecks" Version="6.0.14" />
  </ItemGroup>

</Project>

tests_Class1Tests.cs

using System;
using lib;
using Microsoft.AspNetCore.Routing;
using Moq;
using NUnit.Framework;

namespace tests;

[TestFixture]
public class Class1Tests
{
    [Test]
    public void Test()
    {
        // the exception just saves writing a lot of unrelated set up
        var exception = new Exception("expected exception");
        var builder = new Mock<IEndpointRouteBuilder>();
        builder.Setup(b => b.ServiceProvider).Throws(exception);
        Assert.That(() => Class1.MapHealthChecks(builder.Object), Throws.Exception.SameAs(exception));
    }
}

tests_tests.csproj

<Project Sdk="Microsoft.NET.Sdk">

  <PropertyGroup>
    <TargetFramework>net6.0</TargetFramework>
  </PropertyGroup>

  <ItemGroup>
    <PackageReference Include="Microsoft.Extensions.DependencyInjection" Version="6.0.0" />
    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.5.0" />
    <PackageReference Include="Moq" Version="4.18.4" />
    <PackageReference Include="NUnit" Version="3.13.3" />
    <PackageReference Include="NUnit3TestAdapter" Version="4.4.0" />
  </ItemGroup>

  <ItemGroup>
    <ProjectReference Include="..\lib\lib.csproj" />
  </ItemGroup>

</Project>