### Question:
UserDatabaseModelJpa implements UserDatabaseModel, Serializable { @Transactional public boolean confirmUserRegistration(String email) { return userEntityDao.confirmRegistration(email); }  @Transactional boolean addPasswordResetToken(PasswordResetToken token); @Transactional int addUser(User newUser); @Transactional boolean cancelAllPasswordResetTokens(int userId); @Transactional boolean confirmUserRegistration(String email); @Transactional boolean deleteUser(int userId); @Transactional int getRegisteredUserCount(Date since); PasswordResetToken getNewestPasswordResetToken(String email); User getUserByEmail(String email); User getUserByName(String name); User getUserBySocialAccount(SocialAccountDetails details); int getUserIdByEmail(String email); UserPassword getUserPassword(int userId); boolean isEmailRegistered(String email); boolean isUserNameRegistered(String name); @Transactional boolean makeLogInRecord(int userId, boolean logInSuccessfull, String usersIp); @Transactional int saveUserWithSocialAccount(User user, SocialAccountDetails details); @Transactional boolean setUserPassword(int userId, UserPassword password);  }### Answer:
@Test public void testConfirmUserRegistration() throws DatabaseUnitException, SQLException, Exception { fillDatabase("userDatabaseModelHbnTest/beforeConfirmRegistration.xml"); databaseModel.confirmUserRegistration("john@test.com"); IDataSet expectedDataSet = loadFlatXmlDataSet("userDatabaseModelHbnTest/afterConfirmRegistration.xml"); assertTableContent(expectedDataSet, "um_user", new String[] {}); }