The basic setup of pact provider using `au.com.dius.pact.provider:junit`

everon-provider-pact.java

@RunWith(RestPactRunner.class)
@Provider("billing")
@PactBroker(consumerVersionSelectors = {
        @VersionSelector(consumer = "transactions")
})
public class TariffProviderPactTest {
    @Autowired
    private TariffRepository tariffRepository;
    @TestTarget
    public final Target target = new HttpTarget("http", "localhost", 8080);
    
    private Long id;
    
    @State(value = "tariff-for-transactions", action = StateChangeAction.SETUP)
    public void subscriptionStationState() {
        Tariff tariff = new Tariff(1.10, 2.25);
        tariffRepository.save(tariff);
        id = tariff.getId();
    }
  
    @State(value = "tariff-for-transactions", action = StateChangeAction.TEARDOWN)
    public void subscriptionStationState() {
        tariffRepository.deleteById(id);
    }
}