Update agentic test configuration values for new tenant

Co-authored-by: bgavrilMS <[email protected]>

Author: Copilot

tests/Microsoft.Identity.Test.Integration.netcore/HeadlessTests/Agentic.cs

@@ -16,10 +16,10 @@ namespace Microsoft.Identity.Test.Integration.HeadlessTests
     [TestClass]
     public class Agentic
     {
-        const string ClientId = "d15884b6-a447-4dd5-a5a5-a668c49f6300"; // agent app
-        const string TenantId = "31a58c3b-ae9c-4448-9e8f-e9e143e800df";
-        const string AgentIdentity = "d84da24a-2ea2-42b8-b5ab-8637ec208024";
-        const string UserUpn = "aui1@msidlabtoint.onmicrosoft.com";
+        const string ClientId = "aab5089d-e764-47e3-9f28-cc11c2513821"; // agent app
+        const string TenantId = "10c419d4-4a50-45b2-aa4e-919fb84df24f";
+        const string AgentIdentity = "ab18ca07-d139-4840-8b3b-4be9610c6ed5";
+        const string UserUpn = "agentuser1@id4slab1.onmicrosoft.com";
         private const string TokenExchangeUrl = "api://AzureADTokenExchange/.default";
         private const string Scope = "https://graph.microsoft.com/.default";