Test - Add reproduction for issue 4621

#4621

CefSharp.Test/Issues/Issue4621.cs

@@ -0,0 +1,45 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using CefSharp.OffScreen;
+using Xunit;
+using Xunit.Abstractions;
+
+namespace CefSharp.Test.Issues
+{
+    //NOTE: All Test classes must be part of this collection as it manages the Cef Initialize/Shutdown lifecycle
+    [Collection(CefSharpFixtureCollection.Key)]
+    public class Issue4621
+    {
+        private readonly ITestOutputHelper output;
+
+        public Issue4621(ITestOutputHelper output)
+        {
+            this.output = output;
+        }
+
+        [Fact(Skip = "Issue https://github.com/cefsharp/CefSharp/issues/4621")]
+        public async Task GoogleSearchToGoogleAccountsBreaksJS()
+        {
+            using (var browser = new ChromiumWebBrowser("https://www.google.com", useLegacyRenderHandler: false))
+            {
+                var initialResponse = await browser.WaitForInitialLoadAsync();
+
+                var response = await browser.LoadUrlAsync("https://accounts.google.com/");
+                var mainFrame = browser.GetMainFrame();
+
+                Assert.True(response.Success);
+                Assert.True(mainFrame.IsValid);
+                Assert.Contains("accounts.google", mainFrame.Url);
+                Assert.Equal(200, response.HttpStatusCode);
+
+                output.WriteLine("Url {0}", mainFrame.Url);
+
+                var buttonText = await mainFrame.EvaluateScriptAsync<string>("(function() { return document.querySelector(\"button[aria-haspopup='menu']\").innerText; })();");
+                Assert.Equal("Create account", buttonText);
+            }
+        }
+    }
+}