报错找不到 TestRestTemplate

import jakarta.annotation.Resource;
import org.junit.jupiter.api.Assertions;
import org.junit.jupiter.api.Test;
import org.springframework.boot.test.context.SpringBootTest;
import org.springframework.boot.test.web.client.TestRestTemplate;
/**
 * XxxControllerTest
 *
 * @author achao@apache.org
 */
@SpringBootTest(webEnvironment = SpringBootTest.WebEnvironment.RANDOM_PORT) // 确保使用RANDOM_PORT
public class XxxControllerTest {
    @Resource
    private TestRestTemplate restTemplate;
    @Test
    void generateTokenTest() {
        var res = restTemplate.getForEntity("https://xxx.xx", Res.class).getBody();
        Assertions.assertNotNull(res);
    }
}