添加项目文件。

Fluent.Ribbon/Fluent.Ribbon.Tests/AssemblySetup.cs

@@ -0,0 +1,28 @@
+namespace Fluent.Tests
+{
+    using System;
+    using System.Threading;
+    using System.Windows;
+    using System.Windows.Threading;
+    using NUnit.Framework;
+
+    [SetUpFixture]
+    public class AssemblySetup
+    {
+        [OneTimeSetUp]
+        public void Setup()
+        {
+            SynchronizationContext.SetSynchronizationContext(new DispatcherSynchronizationContext());
+
+            var app = new Application { ShutdownMode = ShutdownMode.OnExplicitShutdown };
+
+            app.Resources.MergedDictionaries.Add((ResourceDictionary)Application.LoadComponent(new Uri("/Fluent;component/Themes/Generic.xaml", UriKind.Relative)));
+        }
+
+        [OneTimeTearDown]
+        public void TearDown()
+        {
+            Dispatcher.CurrentDispatcher.InvokeShutdown();
+        }
+    }
+}