diff --git a/tests/Tests.Nybus.Legacy.NetExtensions.Adapters.MassTransit/AutoMoqDataAttribute.cs b/tests/Tests.Nybus.Legacy.NetExtensions.Adapters.MassTransit/AutoMoqDataAttribute.cs
index 6c0a44e..0224086 100644
--- a/tests/Tests.Nybus.Legacy.NetExtensions.Adapters.MassTransit/AutoMoqDataAttribute.cs
+++ b/tests/Tests.Nybus.Legacy.NetExtensions.Adapters.MassTransit/AutoMoqDataAttribute.cs
@@ -1,9 +1,12 @@
+using System.Collections.Generic;
 using AutoFixture;
 using AutoFixture.AutoMoq;
 using AutoFixture.NUnit3;
+using Microsoft.Extensions.Configuration;
 using Microsoft.Extensions.DependencyInjection;
 using Moq;
 using Nybus.Logging;
+using Nybus.MassTransit;
 
 namespace Tests
 {
@@ -26,6 +29,18 @@ private static IFixture CreateFixture()
 
             fixture.Customize<NybusLoggerFactoryAdapter>(o => o.Without(p => p.MinimumLevel));
 
+            fixture.Customize<IConfiguration>(o => o.FromFactory((ConfigurationBuilder configurationBuilder, MassTransitConnectionDescriptor connectionDescriptor, string connectionStringName) =>
+            {
+                configurationBuilder.AddInMemoryCollection(new Dictionary<string, string>
+                {
+                    [$"ConnectionStrings:{connectionStringName}"] = connectionDescriptor.ToConnectionString()
+                });
+
+                var configuration = configurationBuilder.Build() as IConfiguration;
+
+                return configuration;
+            }));
+
             return fixture;
         }
     }
@@ -48,5 +63,10 @@ public static bool For<TService>(this ServiceDescriptor descriptor)
         {
             return descriptor.ServiceType == typeof(TService);
         }
+
+        public static string ToConnectionString(this MassTransitConnectionDescriptor connectionDescriptor)
+        {
+            return $"host={connectionDescriptor.Host};username={connectionDescriptor.UserName};password={connectionDescriptor.Password}";
+        }
     }
 }
\ No newline at end of file
diff --git a/tests/Tests.Nybus.Legacy.NetExtensions.Adapters.MassTransit/NybusLegacyServiceCollectionExtensionsIntegrationTests.cs b/tests/Tests.Nybus.Legacy.NetExtensions.Adapters.MassTransit/NybusLegacyServiceCollectionExtensionsIntegrationTests.cs
new file mode 100644
index 0000000..1c2ef57
--- /dev/null
+++ b/tests/Tests.Nybus.Legacy.NetExtensions.Adapters.MassTransit/NybusLegacyServiceCollectionExtensionsIntegrationTests.cs
@@ -0,0 +1,28 @@
+using AutoFixture.NUnit3;
+using Microsoft.Extensions.Configuration;
+using Microsoft.Extensions.DependencyInjection;
+using NUnit.Framework;
+using Nybus;
+
+namespace Tests
+{
+    [TestFixture]
+    public class NybusLegacyServiceCollectionExtensionsIntegrationTests
+    {
+        [Test, AutoMoqData]
+        public void Bus_can_be_built([Frozen] string connectionStringName, IConfiguration configuration, ServiceCollection services, NybusLegacyConfiguration nybusConfiguration)
+        {
+            services.AddSingleton(configuration);
+
+            services.AddLogging();
+
+            services.AddNybusWithMassTransit(nybusConfiguration);
+
+            var serviceProvider = services.BuildServiceProvider();
+
+            var bus = serviceProvider.GetRequiredService<IBus>();
+
+            Assert.That(bus, Is.Not.Null);
+        }
+    }
+}
\ No newline at end of file