Quarantine `InteractivityTest.AutoRenderMode_UsesBlazorServerOnFirstLoad_ThenWebAssemblyOnSuccessiveLoads` (#49968)

src/Components/test/E2ETest/ServerRenderingTests/InteractivityTest.cs

@@ -5,6 +5,7 @@ using Components.TestServer.RazorComponents;
 using Microsoft.AspNetCore.Components.E2ETest.Infrastructure;
 using Microsoft.AspNetCore.Components.E2ETest.Infrastructure.ServerFixtures;
 using Microsoft.AspNetCore.E2ETesting;
+using Microsoft.AspNetCore.Testing;
 using OpenQA.Selenium;
 using TestServer;
 using Xunit.Abstractions;
@@ -489,6 +490,7 @@ public class InteractivityTest : ServerTestBase<BasicTestAppServerSiteFixture<Ra
     }
 
     [Fact]
+    [QuarantinedTest("https://github.com/dotnet/aspnetcore/issues/49961")]
     public void AutoRenderMode_UsesBlazorServerOnFirstLoad_ThenWebAssemblyOnSuccessiveLoads()
     {
         Navigate(ServerPathBase);
@@ -504,6 +506,17 @@ public class InteractivityTest : ServerTestBase<BasicTestAppServerSiteFixture<Ra
         Browser.Equal("True", () => Browser.FindElement(By.Id("is-interactive-0")).Text);
         Browser.Equal("Server", () => Browser.FindElement(By.Id("render-mode-0")).Text);
 
+        UnblockWebAssemblyResourceLoad();
+
+        // Add a WebAssembly component to ensure the WebAssembly runtime
+        // will be cached after we refresh the page.
+        Browser.Click(By.Id(AddWebAssemblyPrerenderedId));
+        Browser.Equal("True", () => Browser.FindElement(By.Id("is-interactive-1")).Text);
+        Browser.Equal("WebAssembly", () => Browser.FindElement(By.Id("render-mode-1")).Text);
+
+        Browser.Click(By.Id($"remove-counter-link-1"));
+        Browser.DoesNotExist(By.Id("is-interactive-1"));
+
         Browser.Navigate().Refresh();
 
         Browser.Equal("True", () => Browser.FindElement(By.Id("is-interactive-0")).Text);