properties.setProperty(ConfigurableProcessorsFactory.PARAM_POST_PROCESSORS, RhinoCoffeeScriptProcessor.ALIAS);
filter.setProperties(properties);
filter.init(mockFilterConfig);
final WroManagerFactory factory = filter.newWroManagerFactory();
final WroManager wroManager = factory.create();
final ProcessorsFactory processorsFactory = wroManager.getProcessorsFactory();
final Collection<ResourcePostProcessor> postProcessors = processorsFactory.getPostProcessors();
assertEquals(1, postProcessors.size());