m_upload.initialize();
    protected void setUp() {        m_upload = new Upload(UNMANAGED);        m_upload.setDirectoryId(String.valueOf(System.currentTimeMillis()));        m_upload.setModelFilesContext(TestHelper.getModelFilesContext());        m_upload.setUploadRootDirectory(TestHelper.getTestDirectory() + "/upload");        m_upload.setDestinationDirectory(mkdirs(TestHelper.getTestDirectory() + "/tftproot"));        m_upload.initialize();    }