add test

hutool-json/src/test/java/cn/hutool/json/Issue2380Test.java

@@ -0,0 +1,15 @@
+package cn.hutool.json;
+
+import org.junit.Assert;
+import org.junit.Test;
+
+public class Issue2380Test {
+
+	@Test
+	public void parseObjTest(){
+		// 多个都好，做容错处理
+		final String s = "{\"k\":\"v\",}";
+		final JSONObject jsonObject = JSONUtil.parseObj(s);
+		Assert.assertEquals("{\"k\":\"v\"}", jsonObject.toString());
+	}
+}