fix

Author: kblok

lib/PuppeteerSharp.Tests/BrowserContextTests/DefaultBrowserContextTests.cs

@@ -7,10 +7,6 @@ namespace PuppeteerSharp.Tests.BrowserContextTests
 {
     public class DefaultBrowserContextTests : PuppeteerPageBaseTest
     {
-        public DefaultBrowserContextTests() : base()
-        {
-        }
-
         [SetUp]
         public async Task CreateNewPageAsync()
         {

lib/PuppeteerSharp/Bidi/BidiBrowserContext.cs

@@ -99,7 +99,10 @@ internal static BidiBrowserContext From(
         UserContext userContext,
         BidiBrowserContextOptions options)
     {
-        var context = new BidiBrowserContext(browser, userContext, options);
+        var context = new BidiBrowserContext(browser, userContext, options)
+        {
+            Id = userContext.Id,
+        };
         context.Initialize();
         return context;
     }

lib/PuppeteerSharp/Bidi/Core/Browser.cs

@@ -23,6 +23,7 @@
 using System;
 using System.Collections.Concurrent;
 using System.Collections.Generic;
+using System.Linq;
 using System.Threading.Tasks;
 using PuppeteerSharp.Helpers;
 using WebDriverBiDi.Browser;
@@ -49,7 +50,7 @@ internal sealed class Browser(Session session) : IDisposable
 
     public string Reason { get; set; }
 
-    internal UserContext DefaultUserContext => _userContexts[UserContext.DEFAULT];
+    internal UserContext DefaultUserContext => _userContexts.TryGetValue(UserContext.DEFAULT, out var context) ? context : _userContexts.Values.FirstOrDefault();
 
     internal ICollection<UserContext> UserContexts => _userContexts.Values;