更新客户端渲染，更新了壳

参考/wpfui-main/tests/Wpf.Ui.Gallery.IntegrationTests/WindowTests.cs

@@ -0,0 +1,17 @@
+// This Source Code Form is subject to the terms of the MIT License.
+// If a copy of the MIT was not distributed with this file, You can obtain one at https://opensource.org/licenses/MIT.
+// Copyright (C) Leszek Pomianowski and WPF UI Contributors.
+// All Rights Reserved.
+
+namespace Wpf.Ui.Gallery.IntegrationTests;
+
+public sealed class WindowTests() : UiTest
+{
+    [Fact]
+    public void WindowTitle_ShouldMatchPredefinedOne()
+    {
+        string? title = MainWindow?.Title;
+
+        title.Should().Be("WPF UI Gallery", "because the main window title should match the predefined one");
+    }
+}