BlueprintResourceProvider.BLUEPRINT_NAME_PROPERTY_ID, BLUEPRINT_NAME);
AbstractResourceProviderTest.TestObserver observer = new AbstractResourceProviderTest.TestObserver();
((ObservableResourceProvider)provider).addObserver(observer);
provider.deleteResources(predicate);
ResourceProviderEvent lastEvent = observer.getLastEvent();
assertNotNull(lastEvent);
assertEquals(Resource.Type.Blueprint, lastEvent.getResourceType());
assertEquals(ResourceProviderEvent.Type.Delete, lastEvent.getType());