@Override
  public void start() {
    configuration.get(PROPERTY_SONAR_CE_WORKER_COUNT)
      .ifPresent(workerCount -> LOG.warn("Property {} is not supported anymore and will be ignored." +
        " Remove it from sonar.properties to remove this warning.",
        PROPERTY_SONAR_CE_WORKER_COUNT));
  }
@Test
  public void start_logs_a_warning_if_property_ceWorkerCount_exists_with_a_value() {
    settings.setProperty(PROPERTY_SONAR_CE_WORKER_COUNT, randomAlphabetic(12));

    underTest.start();

    verifyWarnMessage();
  }