+ <plugin>
+ <groupId>org.apache.maven.plugins</groupId>
+ <artifactId>maven-clean-plugin</artifactId>
+ <version>2.4.1</version>
+ </plugin>
+ <plugin>
+ <groupId>org.apache.maven.plugins</groupId>
+ <artifactId>maven-surefire-plugin</artifactId>
+ <version>2.7.1</version>
+ </plugin>