public void testProviderResolverReturnsListOfAvailableProviders() {
// really an indirect test since there is no way to get hold of the default provider resolver.
// we just confirm that the provider under test and the TCKValidationProvider are loadable.
TCKValidatorConfiguration configuration = Validation.byProvider( TCKValidationProvider.class ).configure();
ValidatorFactory factory = configuration.buildValidatorFactory();
assertNotNull( factory );
Configuration<?> config = Validation.byProvider( TestUtil.getValidationProviderUnderTest().getClass() )
.configure();
factory = config.buildValidatorFactory();