chore: expose requestid for cross tests

Explorer/Assets/DCL/Infrastructure/Global/Dynamic/BootstrapContainer.cs

@@ -90,7 +90,7 @@ public static async UniTask<BootstrapContainer> CreateAsync(
             DCLVersion dclVersion,
             CancellationToken ct)
         {
-            var browser = new UnityAppWebBrowser(decentralandUrlsSource);
+            var browser = new UnityAppWebBrowser(decentralandUrlsSource, applicationParametersParser);
             var web3AccountFactory = new Web3AccountFactory();
             var bootstrapContainer = new BootstrapContainer
             {

Explorer/Assets/DCL/NetworkDefinitions/Browser/UnityAppWebBrowser.cs

@@ -1,21 +1,51 @@
 using DCL.Multiplayer.Connections.DecentralandUrls;
+using Global.AppArgs;
 using System;
 using UnityEngine;
+#if ALTTESTER
+using DCL.Diagnostics;
+using System.IO;
+#endif
 
 namespace DCL.Browser
 {
     public class UnityAppWebBrowser : IWebBrowser
     {
         private readonly IDecentralandUrlsSource decentralandUrlsSource;
+        private readonly IAppArgs? appArgs;
 
-        public UnityAppWebBrowser(IDecentralandUrlsSource decentralandUrlsSource)
+        public UnityAppWebBrowser(IDecentralandUrlsSource decentralandUrlsSource, IAppArgs? appArgs = null)
         {
             this.decentralandUrlsSource = decentralandUrlsSource;
+            this.appArgs = appArgs;
         }
 
         public void OpenUrl(string url)
         {
-            Application.OpenURL(Uri.EscapeUriString(url));
+            var escaped = Uri.EscapeUriString(url);
+
+#if ALTTESTER
+            // Only skip the system browser when an AltTester cross-stack test is actually driving
+            // this session (client launched with --alttester). Those tests read auth-url.txt and
+            // navigate their own browser. Without the flag — Editor and dev/QA standalone builds,
+            // which all carry the ALTTESTER compile define — we must still open the browser or
+            // wallet login can never complete. The block is stripped from release builds entirely.
+            if (appArgs?.HasFlag(AppArgsFlags.ALTTESTER) == true)
+            {
+                try
+                {
+                    var path = Path.Combine(Application.persistentDataPath, "auth-url.txt");
+                    File.WriteAllText(path, escaped);
+                }
+                catch (Exception e)
+                {
+                    ReportHub.LogException(e, ReportCategory.AUTHENTICATION);
+                }
+
+                return;
+            }
+#endif
+            Application.OpenURL(escaped);
         }
 
         public void OpenUrl(DecentralandUrl url)