list.addAll(multipleFilters);
assertEquals(4, list.size());
assertTrue(list.get(2) instanceof PortFilter);
assertTrue(list.get(3) instanceof UserFilter);
list.addAll(0, CollectionUtils.asList(new PermissionsAuthorizationFilter(), new RolesAuthorizationFilter()));
assertEquals(6, list.size());
assertTrue(list.get(0) instanceof PermissionsAuthorizationFilter);
assertTrue(list.get(1) instanceof RolesAuthorizationFilter);
assertEquals(2, list.indexOf(singleFilter));
assertEquals(multipleFilters, list.subList(4, list.size()));