public static void initLazyObject(LazyObject lo, byte[] data, int start,
      int length) {
    ByteArrayRef b = new ByteArrayRef();
    b.setData(data);
    lo.init(b, start, length);
  }
Initialize the LazyObject with the parameters, wrapping the byte[]
automatically.
serde/src/test/org/apache/hadoop/hive/serde2/lazy/TestLazyPrimitive.java