SpringBoot数据层测试事务回滚的实现流程

<dependency>
            <groupId>com.baomidou</groupId>
            <artifactId>mybatis-plus-boot-starter</artifactId>
            <version>3.5.2</version>
        </dependency>
        <dependency>
            <groupId>org.projectlombok</groupId>
            <artifactId>lombok</artifactId>
            <optional>true</optional>
        </dependency>
        <dependency>
            <groupId>mysql</groupId>
            <artifactId>mysql-connector-java</artifactId>
            <scope>runtime</scope>
        </dependency>

import com.baomidou.mybatisplus.core.mapper.BaseMapper;
import com.pojo.Person;
import org.apache.ibatis.annotations.Mapper;
import org.mybatis.spring.annotation.MapperScan;
import org.springframework.stereotype.Component;
import org.springframework.stereotype.Repository;
@Mapper//使用注解配置映射
@Component//给spring管理，方便注入
public interface PersonDao extends BaseMapper<Person> {
}

package com.pojo;
import com.baomidou.mybatisplus.annotation.IdType;
import com.baomidou.mybatisplus.annotation.TableId;
import com.baomidou.mybatisplus.annotation.TableName;
import lombok.Data;
@Data
@TableName("tb_user")
public class Person {
private Long id;
private String username;
private String password;
private String gender;
private String addr;
}

package com.service;
        import com.baomidou.mybatisplus.core.metadata.IPage;
        import com.baomidou.mybatisplus.extension.service.IService;
        import com.pojo.Person;
public interface PersonService extends IService<Person> {
}

@Service
public class PersonServiceImpl extends ServiceImpl<PersonDao, Person> implements PersonService {
}

package com.serviceTest;
import com.pojo.Person;
import com.service.PersonService;
import org.junit.jupiter.api.Test;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.boot.test.context.SpringBootTest;
import org.springframework.test.annotation.Rollback;
import org.springframework.transaction.annotation.Transactional;
@SpringBootTest
@Transactional
@Rollback(false)
public class PersonServiceTest {
    @Autowired
    private PersonService personService;
    @Test
    void testAdd(){
        Person person = new Person();
        person.setUsername("测试回滚2");
        person.setPassword("1");
        person.setGender("1");
        person.setAddr("1");
        System.out.println(personService.save(person));
    }
}

@Data
@Component//给spring管理
@ConfigurationProperties(prefix = "personrandom")
public class  Person {
    private String  name;
    private String  age;
    private String  detail;
}

@SpringBootTest
public class RandomTest {
@Autowired
    private Person person;
    @Test
    public void KC(){
        System.out.println(person);
    }
}