assertNotNull(resultList);
        assertEquals(3, resultList.size());
        assertEquals(originalList, resultList);
    }

    @Test(expected = IllegalArgumentException.class)
    public void testGetAsListWithInvalidType() {
        // Test with invalid type (should throw exception)
        SuggestUtil.getAsList(123);
    }

    @Test
    public void testDeleteByQuery() {
        // Create test data