### Question:
TicketRegistryDecorator extends AbstractTicketRegistry { @Override public Collection<Ticket> getTickets() { return this.ticketRegistry.getTickets(); } TicketRegistryDecorator(final TicketRegistry actualTicketRegistry, final Map<String, String> cache); @Override void addTicket(final Ticket ticket); @Override Ticket getTicket(final String ticketId); @Override boolean deleteTicket(final String ticketId); @Override Collection<Ticket> getTickets(); @Override int sessionCount(); @Override int serviceTicketCount();  }### Answer:
@Test public void getTickets() { decorator.getTickets(); verify(registry).getTickets(); }