public Message getExpected() {
      return expected;
    }
Constructs the input and expected
@param pair the pair of blob ids (old, new)
@param clazz the put message input stream class to use
@param divergeInfoFromData if {@code true}, changes some fields in the info to be different from what is in the
                           data
@throws IOException
@throws MessageFormatException
ambry-replication/src/test/java/com/github/ambry/replication/BlobIdTransformerTest.java