Spring Boot Unit Test for Delete，是不是真的在删除对象？

import org.junit.jupiter.api.Test;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.boot.test.autoconfigure.orm.jpa.DataJpaTest;
import org.springframework.boot.test.autoconfigure.web.servlet.AutoConfigureMockMvc;
import org.springframework.boot.test.autoconfigure.web.servlet.WebMvcTest;
import org.springframework.boot.test.autoconfigure.web.servlet.MockMvcBuilderCustomizer;
import org.springframework.boot.test.context.SpringBootTest;
import org.springframework.boot.test.context.SpringBootTest.WebEnvironment;
import org.springframework.boot.test.web.client.TestRestTemplate;
import org.springframework.boot.test.web.client.TestRestTemplate.HttpClientOption;
import org.springframework.boot.test.web.client.TestRestTemplate.HttpOption;
import org.springframework.boot.web.server.LocalServerPort;
import org.springframework.http.HttpHeaders;
import org.springframework.http.HttpMethod;
import org.springframework.http.HttpStatus;
import org.springframework.http.MediaType;
import org.springframework.http.ResponseEntity;
import org.springframework.test.context.ContextConfiguration;
import org.springframework.test.context.TestPropertySource;
import org.springframework.test.web.servlet.MockMvc;
import org.springframework.test.web.servlet.ResultActions;
import org.springframework.test.web.servlet.request.MockMvcRequestBuilders;
import org.springframework.test.web.servlet.result.MockMvcResultHandlers;
import org.springframework.test.web.servlet.result.MockMvcResultMatchers;
import org.springframework.transaction.annotation.EnableTransactionManagement;
import org.springframework.util.MultiValueMap;
import org.springframework.web.bind.annotation.DeleteMapping;
import org.springframework.web.bind.annotation.PathVariable;
import org.springframework.web.bind.annotation.RestController;

import static org.assertj.core.api.Assertions.assertThat;
import static org.springframework.test.web.servlet.request.MockMvcRequestBuilders.delete;
import static org.springframework.test.web.servlet.result.MockMvcResultMatchers.status;

@SpringBootTest(webEnvironment = WebEnvironment.RANDOM_PORT)
public class DeleteTest {

    @LocalServerPort
    private int port;

    @Autowired
    private TestRestTemplate restTemplate;

    @Test
    public void testDelete() {
        // 发送删除请求
        ResponseEntity<String> response = restTemplate.exchange("/delete/{id}", HttpMethod.DELETE, null, String.class, "123");
        
        // 验证返回状态码为200
        assertThat(response.getStatusCode()).isEqualTo(HttpStatus.OK);
        
        // 验证返回结果
        assertThat(response.getBody()).isEqualTo("Object deleted successfully");
    }
}