issue #12 xml消息fromXml, toXml有错误

src/test/java/chanjarster/weixin/bean/WxXmlOutIMusicMessageTest.java

@@ -0,0 +1,38 @@
+package chanjarster.weixin.bean;
+
+import org.testng.Assert;
+import org.testng.annotations.Test;
+
+@Test
+public class WxXmlOutIMusicMessageTest {
+
+  public void test() {
+    WxXmlOutMusicMessage m = new WxXmlOutMusicMessage();
+    m.setTitle("title");
+    m.setDescription("ddfff");
+    m.setCreateTime(1122l);
+    m.setFromUserName("fromUser");
+    m.setToUserName("toUser");
+    m.setHQMusicUrl("hQMusicUrl");
+    m.setMusicUrl("musicUrl");
+    m.setThumbMediaId("thumbMediaId");
+    
+    String expected = "<?xml version=\"1.0\" encoding=\"UTF-8\" standalone=\"yes\"?>" 
+        + "<xml>"
+        + "<ToUserName><![CDATA[toUser]]></ToUserName>"
+        + "<FromUserName><![CDATA[fromUser]]></FromUserName>"
+        + "<CreateTime>1122</CreateTime>"
+        + "<MsgType><![CDATA[music]]></MsgType>"
+        + "<Music>"
+        + "        <Title><![CDATA[title]]></Title>"
+        + "        <Description><![CDATA[ddfff]]></Description>"
+        + "        <ThumbMediaId><![CDATA[thumbMediaId]]></ThumbMediaId>"
+        + "        <MusicUrl><![CDATA[musicUrl]]></MusicUrl>"
+        + "        <HQMusicUrl><![CDATA[hQMusicUrl]]></HQMusicUrl>"
+        + "    </Music>"
+        + "</xml>";
+    System.out.println(m.toXml());
+    Assert.assertEquals(m.toXml().replaceAll("\\s", ""), expected.replaceAll("\\s", ""));
+  }
+  
+}