在Spring单元测试中无法将offsetDateTime转换为ISO-8601字符串格式

<dependency>
    <groupId>com.fasterxml.jackson.datatype</groupId>
    <artifactId>jackson-datatype-jsr310</artifactId>
</dependency>

import com.fasterxml.jackson.databind.ObjectMapper;
import com.fasterxml.jackson.databind.SerializationFeature;
import com.fasterxml.jackson.datatype.jsr310.JavaTimeModule;

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

    @Autowired
    private ObjectMapper objectMapper;

    @Before
    public void setUp() {
        objectMapper.registerModule(new JavaTimeModule());
        objectMapper.configure(SerializationFeature.WRITE_DATES_AS_TIMESTAMPS, false);
    }

    // 测试方法...
}

@Test
public void yourTest() throws JsonProcessingException {
    OffsetDateTime offsetDateTime = OffsetDateTime.now();
    String isoString = objectMapper.writeValueAsString(offsetDateTime);
    
    // 断言或其他操作...
}