add packet test: DataTest

src/main/java/packet/Data.java

@@ -141,7 +141,6 @@ public class Data implements IEncodingAble, InteractWithField {
                 return false;
             }
             this.minPacket.identifierField.addIdentifier(identifierWrapper);
-
             return true;
         } catch (EncoderException | BlockException | ComponentException e) {
             throw new PacketException("Data.fillDataToFields: " + e.getMessage());
@@ -228,7 +227,7 @@ public class Data implements IEncodingAble, InteractWithField {
     @Override
     public int wireEncode(Encoder encoder) throws PacketException {
         // 首先将各项属性填充到分区当中
-        if (this.fillDataToFields()) {
+        if (!this.fillDataToFields()) {
             return -1;
         }