Add surefire plugin for unit tests

pom.xml

@@ -138,6 +138,11 @@
                 </executions>
             </plugin>
 
+            <plugin>
+                <artifactId>maven-surefire-plugin</artifactId>
+                <version>3.0.0-M5</version>
+            </plugin>
+
             <!-- Enable assembling jar that includes all dependencies -->
             <plugin>
                 <groupId>org.apache.maven.plugins</groupId>