@Test public void testGetFilters() { assertThat(category.getFilterTypes()) .containsOnly( new StringEquals(), new StringNotEquals(), new StartsWith(), new EndsWith(), new EqualsIgnoreCase(), new NotEqualsIgnoreCase(), new Contains()); final IFilterType<String> filterType = category.getFilterTypes().get(0); filterType.setFilterValue("12345"); assertThat(category.getFilterTypes().contains(filterType)).isFalse(); }