refactor: 更新单元测试

Author: ArgoZhang

test/UnitTest/Locales/en-US.json

@@ -1,4 +1,4 @@
-{
+{
   "BootstrapBlazor.Server.Data.Foo": {
     "Name": "Name",
     "DateTime": "DateTime",
@@ -28,6 +28,6 @@
   },
   "UnitTest.Utils.UtilityTest": {
     "Test-Null": null,
-    "Test-Key:": ""
+    "Test-Key": ""
   }
 }

test/UnitTest/Utils/UtilityTest.cs

@@ -1,4 +1,4 @@
-// Licensed to the .NET Foundation under one or more agreements.
+// Licensed to the .NET Foundation under one or more agreements.
 // The .NET Foundation licenses this file to you under the Apache 2.0 License
 // See the LICENSE file in the project root for more information.
 // Maintainer: Argo Zhang(argo@live.ca) Website: https://www.blazor.zone
@@ -393,14 +393,19 @@ public void GetJsonStringByTypeName_UseKeyWhenValueIsNull()
 
         var test1 = items.FirstOrDefault(i => i.Name == "Test-Null");
         Assert.NotNull(test1);
+
+#if NET9_0
+        Assert.Equal("", test1.Value);
+#elif NET10_0_OR_GREATER
         Assert.Equal("Test-Null", test1.Value);
+#endif
 
         var test2 = items.FirstOrDefault(i => i.Name == "Test-Key");
         Assert.NotNull(test2);
-        Assert.Equal("Test-Key", test2.Value);
+        Assert.Equal("", test2.Value);
 
         option.UseKeyWhenValueIsNull = false;
-        items = Utility.GetJsonStringByTypeName(option, this.GetType().Assembly, "UnitTest.Utils.UtilityTest", "en-US", true);
+        items = Utility.GetJsonStringByTypeName(option, GetType().Assembly, "UnitTest.Utils.UtilityTest", "en-US", true);
 
         test1 = items.FirstOrDefault(i => i.Name == "Test-Null");
         Assert.NotNull(test1);