eclipse maven程序包org.junit不存在

今天使用maven打包项目的时候出现下面的错误，提示org.junit不存在。

错误信息内容如下：

[ERROR] /Users/aven/Documents/workspace/share/src/test/java/com/weixiao/share/test/TestMyBatis.java:[8,16] 错误: 程序包org.junit不存在
[ERROR] /Users/aven/Documents/workspace/share/src/test/java/com/weixiao/share/test/TestMyBatis.java:[9,23] 错误: 程序包org.junit.runner不存在
[ERROR] /Users/aven/Documents/workspace/share/src/test/java/com/weixiao/share/test/TestMyBatis.java:[18,1] 错误: 找不到符号
[ERROR]  类 RunWith
/Users/aven/Documents/workspace/share/src/test/java/com/weixiao/share/test/TestMyBatis.java:[37,2] 错误: 找不到符号
[INFO] 4 errors
[INFO] -------------------------------------------------------------
[INFO] ------------------------------------------------------------------------
[INFO] BUILD FAILURE
[INFO] ------------------------------------------------------------------------
[INFO] Total time: 15.024 s
[INFO] Finished at: 2017-04-14T13:34:37+08:00
[INFO] Final Memory: 31M/280M
[INFO] ------------------------------------------------------------------------
[ERROR] Failed to execute goal org.apache.maven.plugins:maven-compiler-plugin:2.3.2:testCompile (default-testCompile) on project share: Compilation failure: Compilation failure:
[ERROR] /Users/aven/Documents/workspace/share/src/test/java/com/weixiao/share/test/TestMyBatis.java:[8,16] 错误: 程序包org.junit不存在
[ERROR] /Users/aven/Documents/workspace/share/src/test/java/com/weixiao/share/test/TestMyBatis.java:[9,23] 错误: 程序包org.junit.runner不存在
[ERROR] /Users/aven/Documents/workspace/share/src/test/java/com/weixiao/share/test/TestMyBatis.java:[18,1] 错误: 找不到符号
[ERROR] 类 RunWith
[ERROR] /Users/aven/Documents/workspace/share/src/test/java/com/weixiao/share/test/TestMyBatis.java:[37,2] 错误: 找不到符号
[ERROR] -> [Help 1]
[ERROR]
[ERROR] To see the full stack trace of the errors, re-run Maven with the -e switch.
[ERROR] Re-run Maven using the -X switch to enable full debug logging.
[ERROR]
[ERROR] For more information about the errors and possible solutions, please read the following articles:
[ERROR] [Help 1] http://cwiki.apache.org/confluence/display/MAVEN/MojoFailureException

但是程序测试的时候是没有问题的，这也就说明junit的依赖是引入了的。

修改方法：修改下面的代码

最开始的如下：

修改后的代码：

然后发现进入可以达成了jar包，具体为什么还不清楚。