test: 更新单元测试

Co-Authored-By: Alex chow <[email protected]>

Author: ArgoZhang

test/UnitTest/Services/DrawerServiceTest.cs

@@ -36,6 +36,9 @@ public async Task Show_Ok()
         button = cut.Find("button");
         await cut.InvokeAsync(() => button.Click());
 
+        option.Component = null;
+        Assert.Null(option.GetContent());
+
         await service.Show<DrawerDemo>();
         button = cut.Find("button");
         await cut.InvokeAsync(() => button.Click());