@RunWith(SpringRunner.class)
@SpringBootTest
public class SearchTests {

    @Autowired
    private StudentEsRepository repository;

    // 其餘略過

    private void assertDocumentIds(List<Student> actualDocs, String... expectedIdArray) {
        var expectedIds = List.of(expectedIdArray);
        var actualIds = actualDocs.stream()
                .map(Student::getId)
                .collect(Collectors.toList());

        assertEquals(expectedIds, actualIds);
    }
}