@Test
 public void testUpdateMaterial() throws DatabaseException {
   Material material = materialDao.read(MATERIAL5_ID);
   assertTrue(material.getName().equals(MATERIAL5_NAME));
   material.setName(MATERIAL5_NAME_UPDATED);
   materialDao.update(material);
   material = materialDao.read(MATERIAL5_ID);
   assertTrue(material.getName().equals(MATERIAL5_NAME_UPDATED));
 }
 @Test
 public void testReadMaterial() throws DatabaseException {
   Material material = materialDao.read(MATERIAL5_ID);
   assertTrue(material.getName().equals(MATERIAL5_NAME));
 }