Re-adds surefire plugin.
</execution>
</executions>
</plugin>
+
+ <!-- Used, during the test phase of the build, to run the unit tests -->
+ <plugin>
+ <groupId>org.apache.maven.surefire</groupId>
+ <artifactId>surefire</artifactId>
+ <version>2.21.0</version>
+ </plugin>
</plugins>
</build>
