Instrumentation.AsyncAwait.cs

// Remember to use full name because adding new using directives change line numbers

namespace Coverlet.Core.Tests
{
  public class Issue_669_2
  {
    private readonly System.Net.Http.HttpClient _httpClient = new System.Net.Http.HttpClient();

    async public System.Threading.Tasks.ValueTask<System.Net.Http.HttpResponseMessage> SendRequest()
    {
      using (var requestMessage = new System.Net.Http.HttpRequestMessage(System.Net.Http.HttpMethod.Get, "https://www.google.it"))
      {
        return await _httpClient.SendAsync(requestMessage).ConfigureAwait(false);
      }
    }
  }
}