code: public static List<String> findNonAffectedClasses(File parentDir, String options) {
          // Return if Ekstazi directory does not exist.
          if (!Config.createRootDir(parentDir).exists()) {
              return Collections.<String>emptyList();
          }
          Config.loadConfig(options, true);
          return findNonAffectedClasses(parentDir.getAbsolutePath());
      }
docs: Finds the list of non-affected test classes. This method is intented to
  be invoked from build plugins/tasks.
  
  @param parentDir
  Parent directory of .ekstazi directory
  @param options
  Ekstazi options
  @return List of non-affected test classes.