@Test
public void deleteAidMultipleSameTest() throws NoSuchFieldException, IllegalAccessException {

    addItem(AID_BASIC, HASH_BASIC, RULE_BASIC);
    addItem(AID_BASIC, HASH_BASIC1, RULE_BASIC1);
    addItem(AID_BASIC, HASH_BASIC2, RULE_BASIC2);
    addItem(AID_BASIC, HASH_BASIC3, RULE_BASIC3);
    assertEquals("init length", 4, getLength());
    deleteAid(AID_BASIC);
    assertEquals("length after deletion", 0, getLength());
}