public void setUp() {
MockitoAnnotations.initMocks(this);
Context.set(Context.standaloneContext());
transformer = new WildcardExpanderModelTransformer();
// create manager to force correct initialization.
final BaseWroManagerFactory factory = new BaseWroManagerFactory();
factory.setProcessorsFactory(processorsFactory);
factory.addModelTransformer(transformer);
final Injector injector = InjectorBuilder.create(factory).build();
injector.inject(transformer);
}