@Test
public void testWrongDbConfig() throws Exception {

    strategy = new AdvancedModStrategy();
    Map<String, String> settings = new HashMap<>();
    
    settings.put(AdvancedModStrategy.COLUMNS, columnName);
    try {
        strategy.initialize(settings);
        fail();
    } catch (Exception e) {
        assertEquals(e.getClass(), IllegalArgumentException.class);
    }
}