### Question:
PartyStoreFactory implements PartyStore { @Override public PartyStore remove(URI party) { return delegate.remove(party); } PartyStoreFactory(); protected  PartyStoreFactory(PartyStore delegate); static PartyStore provider(); @Override Set<URI> getParties(); @Override PartyStore store(URI party); @Override PartyStore remove(URI party);  }### Answer:
@Test public void remove() { URI uri = URI.create("http: partyStoreFactory.remove(uri); verify(partyStore).remove(uri); }