some code

[Fact]
public async Task MiddlewareTest_ReturnsNotFoundForRequest()
{
    //some comment in code
    using var host = await new HostBuilder()
        .ConfigureWebHost(webBuilder =>
        {
            webBuilder
                .UseTestServer()
                .ConfigureServices(services =>
                {
                    services.AddMyServices();
                })
                .Configure(app =>
                {
                    app.UseMiddleware();
                });
        })
        .StartAsync();

    ...
}

public void main()
{
    //some ecample
    //some comment in code
    using var host = await new HostBuilder()
    .ConfigureWebHost(webBuilder =>
    {
    webBuilder
    .UseTestServer()
    .ConfigureServices(services =>
    {
    services.AddMyServices();
    })
    .Configure(app =>
    {
    app.UseMiddleware
        ();
        });
        })
        .StartAsync();
}