@Test
  public void testFindByLastName() {

    List<Employee> employeeList = repository.findByLastName("Nancy");
    assertNotNull(employeeList);
    logger.debug("employeeList size : " + employeeList.size());
  }
  @Test
  public void testFindByCountry() {

    List<Employee> employeeList = repository.findByCountry("USA");
    assertNotNull(employeeList);
    logger.debug("employeeList size : " + employeeList.size());
  }
  @Test
  public void testSaveEmployee() {

    Employee employee = getEmployeeForTest();
    repository.save(employee);
    assertNotNull(employee.getId());
    logger.debug("employeeId : " + employee.getId());
  }