refactor validate testcase

Author: wenshao

…eelchair/validate/JSONValidatorTest.java …json/bvt/validate/JSONValidatorTest.javasrc/test/java/com/alibaba/json/bvt/wheelchair/validate/JSONValidatorTest.java renamed to src/test/java/com/alibaba/json/bvt/validate/JSONValidatorTest.java src/test/java/com/alibaba/json/bvt/wheelchair/validate/JSONValidatorTest.java renamed to src/test/java/com/alibaba/json/bvt/validate/JSONValidatorTest.java

@@ -1,13 +1,8 @@
-package com.alibaba.json.bvt.wheelchair.validate;
+package com.alibaba.json.bvt.validate;
 
-import com.alibaba.fastjson.JSONException;
 import com.alibaba.fastjson.JSONValidator;
 import org.junit.Test;
 
-
-import java.io.File;
-import java.io.FileInputStream;
-
 import static org.junit.Assert.*;
 
 public class JSONValidatorTest {