@Test
public void shouldReturnDataWithGoLazyOnDemand() {

  final Repository<List<Integer>> repository = repositoryWithInitialValue(INITIAL_VALUE)
      .observe()
      .onUpdatesPerLoop()
      .goLazy()
      .thenGetFrom(mockIntegerListSupplier)
      .compile();
  updatable.addToObservable(repository);
  verifyZeroInteractions(mockIntegerListSupplier);
  assertThat(repository, has(LIST));
  verify(mockIntegerListSupplier).get();
}