Fixed some more tests

src/NzbDrone.Common.Test/ServiceFactoryFixture.cs

@@ -0,0 +1,29 @@
+using System.Linq;
+using FluentAssertions;
+using NUnit.Framework;
+using NzbDrone.Common.EnvironmentInfo;
+using NzbDrone.Core.Lifecycle;
+using NzbDrone.Core.Messaging.Events;
+using NzbDrone.Host;
+using NzbDrone.Test.Common;
+
+namespace NzbDrone.Common.Test
+{
+    [TestFixture]
+    public class ServiceFactoryFixture : TestBase<ServiceFactory>
+    {
+        [Test]
+        public void event_handlers_should_be_unique()
+        {
+            var container = MainAppContainerBuilder.BuildContainer(new StartupContext());
+            container.Resolve<IAppFolderFactory>().Register();
+
+            Mocker.SetConstant(container);
+
+            var handlers = Subject.BuildAll<IHandle<ApplicationShutdownRequested>>()
+                                  .Select(c => c.GetType().FullName);
+
+            handlers.Should().OnlyHaveUniqueItems();
+        }
+    }
+}