test: 更新配置测试用例

Test/Program.cs

@@ -13,7 +13,10 @@ internal static class Program
             Abc = 123
         };
         var config = new Config(new FileInfo("./config.json"));
-        var t = config.Get("aaa.www.aaa.ccc", "1");
+        var a = config.Get("aaa.www.www", "555");
+        var b = config.Get("aaa.bbb", "1");
+        var c = config.Get("aaa.sss", "1");
+        var d = config.Get("bbb.sss", "1");
     }
 }