@Test
public void testEmptyConfig() throws Exception {

    AcHandling.Check check = (AcHandling.Check) new AcHandling().newInstance(obj().get());
    assertNotNull("check should not be null", check);
    Assert.assertEquals("default levelSet should be " + AcHandling.DEFAULT_LEVEL_SET,
            check.levelSet, AcHandling.DEFAULT_LEVEL_SET);
    assertTrue("default allowedModes should be empty: " + check.allowedModes,
            check.allowedModes.isEmpty());
}