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Page.Dispose() never completes

See original GitHub issue

Using 0.3.2, if you try to dispose of a Page instance, it awaits forever. Try this, the last Console.WriteLine() call is never reached because it all hangs when the inner using statement calls Dispose on the page instance.

using System;
using System.Collections.Generic;
using System.IO;
using System.Threading.Tasks;
using PuppeteerSharp;

namespace PuppeteerSharpPdfDemo
{
    class MainClass
    {
        public static void Main(string[] args)
        {
            MainAsync().GetAwaiter().GetResult();
        }

        public static async Task MainAsync()
        {
            var options = new LaunchOptions
            {
                Headless = true
            };

            Console.WriteLine("Downloading chromium");
            await Downloader.CreateDefault().DownloadRevisionAsync(Downloader.DefaultRevision);

            Console.WriteLine("Navigating google");
            using (var browser = await Puppeteer.LaunchAsync(options, Downloader.DefaultRevision))
            using (var page = await browser.NewPageAsync())
            {
                await page.GoToAsync("http://www.google.com");

                Console.WriteLine("Generating PDF");
                await page.PdfAsync(Path.Combine(Directory.GetCurrentDirectory(), "google.pdf"));

                Console.WriteLine("Export completed");
                //Console.ReadLine();
            }
            Console.WriteLine("The End"); // this line never reached :(
        }
    }
}