code: private void process(final Object instance) throws ObjectUnderTestInstantiationException {
  
          final Set<Method> postConstructMethods = getPostConstructMethods(instance.getClass());
  
          for (final Method method : postConstructMethods) {
              try {
                  ReflectionUtil.invokeMethod(method, instance);
              } catch (final Exception e) {
                  throw new ObjectUnderTestInstantiationException("error executing postConstruction method '"
                          + method.getName() + "'", e);
              }
  
          }
      }
docs: invokes @PostConstruct annotated method
  
  @param instance
  @throws ObjectUnderTestInstantiationException