ASP.NET Core handling multipart form data request issue

ValuesController.cs

using System;
using System.Collections.Generic;
using System.Linq;
using System.Net.Http;
using System.Net.Http.Headers;
using System.Threading.Tasks;
using Microsoft.AspNetCore.Http;
using Microsoft.AspNetCore.Mvc;

namespace aspnet_forddata_issue.Controllers
{
    [Route("api/[controller]")]
    [ApiController]
    public class ValuesController : ControllerBase
    {
        // GET api/values
        [HttpPost(Name = "upload")]
        public ActionResult UploadFile([FromForm]IFormFile file)
        {
            return Ok();
        }

        [HttpGet]
        public async Task<HttpResponseMessage> Test()
        {
            string host = this.Url.ActionContext.HttpContext.Request.Host.Value;
            string protocol = this.Url.ActionContext.HttpContext.Request.Scheme;
            string url = this.Url.RouteUrl("upload", null, protocol, host);
            var client = new HttpClient();
            var request = new HttpRequestMessage(HttpMethod.Post, url)
            {
                Content = new MultipartFormDataContent(),
            };

            request.Content.Headers.ContentType = new MediaTypeHeaderValue("multipart/form-data");
            request.Content.Headers.ContentDisposition = null;

            var response = await client.SendAsync(request);

            return response;
        }
    }
}