* Test that existing custom handlers won't be broken with the switch
* to injecting List<ProviderHandler>.
*/
public void testCustomHandler() {
Injector injector = Guice.createInjector(new SocialApiGuiceModule(),
new CustomAuthHandlerProviderModule(), new PropertiesModule());
AuthenticationHandlerProvider provider = injector.getInstance(
AuthenticationHandlerProvider.class);
assertEquals(0, provider.get().size());