code: private Set<String> getTags(RoxableTest methodAnnotation, RoxableTestClass classAnnotation) {
  		Set<String> tags = CollectionHelper.getTags(configuration.getTags(), methodAnnotation, classAnnotation);
  		
  		if (!tags.contains(DEFAULT_TAG)) {
  			tags.add(DEFAULT_TAG);
  		}
  		
  		return tags;
  	}
docs: Compute the list of tags associated for a test
  
  @param methodAnnotation The method annotation to get info
  @param classAnnotation The class annotation to get info
  @return The tags associated to the test