[assembly: TestFramework("Your.Test.Project.Startup", "AssemblyName")]

namespace Your.Test.Project
{
    public class Startup : AutofacTestFramework
    {
        public Startup(IMessageSink messageSink) : base(messageSink) { }

        protected override void ConfigureServices(IServiceCollection services)
        {
            services.AddTransient<IDependency, DependencyClass>();
        }
    }
}

public interface IDependency
{
    int Value { get; }
}

internal class DependencyClass : IDependency
{
    public int Value => 1;
}

public class MyAwesomeTests
{
    private readonly IDependency _d;

    public MyAwesomeTests(IDependency d) => _d = d;

    [Fact]
    public void AssertThatWeDoStuff()
    {
        Assert.Equal(1, _d.Value);
    }
}

internal class DependencyClass : IDependency
{
    private readonly ITestOutputHelperAccessor _testOutputHelperAccessor;

    public DependencyClass(ITestOutputHelperAccessor testOutputHelperAccessor)
    {
        _testOutputHelperAccessor = testOutputHelperAccessor;
    }
}

    public class Startup : AutofacTestFramework
    {
        protected override void Configure(IServiceProvider provider)
        {
            provider.GetRequiredService<ILoggerFactory>()
                .AddProvider(new XunitTestOutputLoggerProvider(provider.GetRequiredService<ITestOutputHelperAccessor>()[, Func<string, LogLevel, bool> filter]));
        }
    }