@Test
 @Transactional
 public void testSaveWorkReportLine() {
   WorkReportLine workReportLine = createValidWorkReportLine();
   workReportLineDAO.save(workReportLine);
   assertTrue(workReportLineDAO.exists(workReportLine.getId()));
 }
 @Test
 @Transactional
 public void testRemoveWorkReportLine() throws InstanceNotFoundException {
   WorkReportLine workReportLine = createValidWorkReportLine();
   workReportLineDAO.save(workReportLine);
   workReportLine.getWorkReport().removeWorkReportLine(workReportLine);
   workReportLineDAO.remove(workReportLine.getId());
   assertFalse(workReportLineDAO.exists(workReportLine.getId()));
 }