update test sample

单元测试用例

Assets/YooAsset/Samples~/Test Sample/Runtime/EditorFileSystemTester.cs

@@ -0,0 +1,20 @@
+using System;
+using System.IO;
+using System.Text;
+using System.Collections;
+using UnityEngine;
+using UnityEngine.TestTools;
+using YooAsset;
+
+public class EditorFileSystemTester : IPrebuildSetup, IPostBuildCleanup
+{
+    public void Setup()
+    {
+        throw new NotImplementedException();
+    }
+
+    public void Cleanup()
+    {
+        throw new NotImplementedException();
+    }
+}