@Test
  public void testFindAll() {
    Pageable pageable = new PageRequest(1, 10);
    Page<User> page = new PageImpl<User>(Arrays.asList(new User()));
    when(userRepository.findAll(pageable)).thenReturn(page);

    Page<User> result = userService.findAll(pageable);

    assertThat(result, is(page));
  }