dos.writeInt(Integer.reverseBytes(16));
            dos.writeLong(Long.reverseBytes(300));

            // Add some padding
            for (int i = 0; i < 300; i++) {
                dos.writeByte(0);
            }

            return baos.toByteArray();
        } catch (IOException e) {
            throw new PACDecodingException("Failed to create test data", e);
        }
    }