@Before
public void setUp() throws UnsupportedEncodingException {
pdfDocument = new PDFDocument("Apache FOP");
Map<String, List<String>> filterMap = pdfDocument.getFilterMap();
filterMap.put("default", Arrays.asList("null"));
PDFRoot root = new PDFRoot(1, new PDFPages(10));
PDFInfo info = new PDFInfo();
info.setObjectNumber(2);
byte[] fileID =
new byte[] {0x01, 0x23, 0x45, 0x67, (byte) 0x89, (byte) 0xab, (byte) 0xcd, (byte) 0xef};
trailerDictionary = new TrailerDictionary(pdfDocument)