update test sample

Assets/YooAsset/Samples~/Test Sample/Runtime/TestLoadAsset/TestScriptableObject.cs

@@ -0,0 +1,13 @@
+using System;
+using System.IO;
+using System.Text;
+using System.Collections;
+using UnityEngine;
+using UnityEngine.TestTools;
+using YooAsset;
+
+// 自定义的配置文件
+public class TestScriptableObject : ScriptableObject
+{
+    public string ConfigName = "yoo";
+}