code: @Test public void testFilterWithPropertiesSet() throws Exception {
    final ConfigurableWroFilter filter=new ConfigurableWroFilter(){
      @Override protected void onRequestProcessed(){
        assertEquals(10,Context.get().getConfig().getCacheUpdatePeriod());
      }
    }
  ;
    final Properties properties=new Properties();
    properties.setProperty(ConfigConstants.cacheUpdatePeriod.name(),"10");
    filter.setProperties(properties);
    filter.init(mockFilterConfig);
    filter.doFilter(mockRequest,mockResponse,mockFilterChain);
  }
  