### Question:
DbAddressBook implements GlobalAddressBook { @Override public void deleteContact(String id) { addressBookDao.deleteContact(id); }  @Override String addContact(Contact contact); @Override Contact getContact(String contactId); AddressBookDao getAddressBookDao(); void setAddressBookDao(AddressBookDao addressBookDao); @Override List<Contact> getAll(); @Override void deleteContact(String id);  }### Answer:
@Test public void testDeleteContact() { addressBook.deleteContact("idDeleted"); verify(mockAddressBookDao).deleteContact("idDeleted"); }