Make sure Maven Surefire runs all classes, not just the ones with 'Test' in name

pom.xml

@@ -100,6 +100,19 @@
           </execution>
         </executions>
       </plugin>
+      
+      <plugin>
+        <!--  Make sure all classes are used for tests, not just with 'Test' in name -->
+        <groupId>org.apache.maven.plugins</groupId>
+        <artifactId>maven-surefire-plugin</artifactId>
+        <version>2.22.1</version>
+        <configuration>
+          <includes>
+            <include>de/dfki/lt/hfc/**/*.java</include>
+          </includes>
+        </configuration>
+      </plugin>
+      
     </plugins>
   </build>