maven打包时跳过单元测试

<project>  
  [...]  
  <build>  
    <plugins>  
      <plugin>  
        <groupId>org.apache.maven.plugins</groupId>  
        <artifactId>maven-surefire-plugin</artifactId>  
        <version>2.18.1</version>  
        <configuration>  
          <skipTests>true</skipTests>  
        </configuration>  
      </plugin>  
    </plugins>  
  </build>  
  [...]  
</project>