@Test
public void getAllFilterNames() {

    final List<String> expectFilterNames = IntStream.range(1, 100).mapToObj(TestingUtils::numberString).collect(Collectors.toList());
    final ExpirableBloomFilterConfig config = new ExpirableBloomFilterConfig();
    for (final String name : expectFilterNames) {
        manager.createFilter(name, config);
    }
    assertThat(manager.getAllFilterNames()).containsExactlyInAnyOrderElementsOf(expectFilterNames);
}