22、解决Spring boot 单元测试，无法读取配置文件问题

https://blog.csdn.net/qq_26517983/article/details/100145348?utm_medium=distribute.pc_relevant_t0.none-task-blog-BlogCommendFromMachineLearnPai2-1.compare&depth_1-utm_source=distribute.pc_relevant_t0.none-task-blog-BlogCommendFromMachineLearnPai2-1.compare

添加测试注解：

@RunWith(SpringRunner.class) //添加
@SpringBootTest
public class DongmallThirdPartyApplicationTests {

}