@RunWith(SpringRunner.class)中的SpringRunner.class一直引入不了，各位能帮忙看下么？，这些包确定都导入了，但感觉对解决这个问题没作用。。。

<dependency>
   <groupId>org.springframework.boot</groupId>
   <artifactId>spring-boot-starter-test</artifactId>
   <scope>test</scope>
</dependency>

<dependency>
   <groupId>junit</groupId>
   <artifactId>junit</artifactId>
   <version>4.10</version>
   <!--<scope>test</scope>-->
</dependency>

<dependency>
   <groupId>org.springframework.boot</groupId>
   <artifactId>spring-boot-test</artifactId>
   <version>2.0.3.RELEASE</version>
   <!--<scope>test</scope>-->
</dependency>