Improve Javadoc

Author: essobedo

tests/camel-integration-test/src/main/java/org/apache/karaf/camel/itests/PaxExamWithExternalResource.java

@@ -48,6 +48,8 @@
  * external resources that are needed by the test. Please note that due to the way PaxExam works, the class cannot be
  * the same as the test class, but it can be a static inner class of it otherwise the class will need to be resolved
  * within Karaf which is what we want to avoid.
+ *
+ * @see UseExternalResourceProvider
  */
 public class PaxExamWithExternalResource extends Runner implements Filterable, Sortable {
     private static final Logger LOG = LoggerFactory.getLogger(PaxExamWithExternalResource.class);