diff --git a/DigitalData.Auth.Tests/Client/AuthClientTests.cs b/DigitalData.Auth.Tests/Client/AuthClientTests.cs
index b05f5fc..500c300 100644
--- a/DigitalData.Auth.Tests/Client/AuthClientTests.cs
+++ b/DigitalData.Auth.Tests/Client/AuthClientTests.cs
@@ -1,4 +1,5 @@
-using DigitalData.Auth.Client;
+using DigitalData.Auth.Abstractions;
+using DigitalData.Auth.Client;
 using Microsoft.Extensions.DependencyInjection;
 
 namespace DigitalData.Auth.Tests.Client;
@@ -6,13 +7,39 @@ namespace DigitalData.Auth.Tests.Client;
 [TestFixture]
 public class AuthClientTests
 {
+    private IAuthClient _client;
+
+    private static ServiceProvider Build(Action<ClientParams> options) => new ServiceCollection()
+        .AddAuthHubClient(options)
+        .BuildServiceProvider();
+
     [SetUp]
-    public void Setup()
+    public async Task Setup()
     {
-        var services = new ServiceCollection();
-        services.AddAuthHubClient(opt =>
+        using var provider = Build(opt => opt.Url = "https://localhost:7192");
+        _client = provider.GetRequiredService<IAuthClient>();
+        await _client.StartAsync();
+    }
+
+    [Test]
+    public async Task ReceiveMessage_ShouldCallOnMessageReceived()
+    {
+        // Arrange
+        bool wasCalled = false;
+        using var provider = Build(opt =>
         {
             opt.Url = "https://localhost:7192";
+            opt.Events.OnMessageReceived = (user, message, logger) => wasCalled = true;
         });
+        var client = provider.GetRequiredService<IAuthClient>();
+
+        string testUser = "TestUser";
+        string testMessage = "Hello, World!";
+
+        // Act
+        await client.ReceiveMessage(testUser, testMessage);
+
+        // Assert
+        Assert.That(wasCalled, Is.True, "OnMessageReceived was not called.");
     }
 }
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