### Question:
ProviderStatusEmptyPresenter { public void onRefresh() { refreshRuntimeEvent.fire(new RefreshRuntimeEvent(providerKey)); } @Inject  ProviderStatusEmptyPresenter(final View view,
                                        final Event<RefreshRuntimeEvent> refreshRuntimeEvent); @PostConstruct void init(); View getView(); void setup(final ProviderKey providerKey); void onRefresh();  }### Answer:
@Test public void testOnRefresh() { presenter.onRefresh(); verify(refreshRuntimeEvent, times(1)).fire(new RefreshRuntimeEvent(providerKey)); }