assertTrue(filter.select(null, null, model));
assertTrue(filter.select(null, null, testcase1));
assertTrue(filter.select(null, null, testcase2));
assertFalse(filter.select(null, null, testcase3));
assertTrue(filter.select(null, null, testcase1.getChildren().iterator().next()));
iterator = testcase2.getChildren().iterator();
assertTrue(filter.select(null, null, iterator.next()));
assertTrue(filter.select(null, null, iterator.next()));
assertFalse(filter.select(null, null, iterator.next()));