static IMockMakerSettings settingsFor(MockMakerId id) {
    return new IMockMakerSettings() {
      @Override
      public MockMakerId getMockMakerId() {
        return id;
      }

      @Override
      public String toString() {
        return id + " default mock maker settings";
      }
    };
  }
Creates a default {@code IMockMakerSettings} object with only an {@link MockMakerId}.

@param id the mock maker ID.
@return the settings object
spock-core/src/main/java/spock/mock/IMockMakerSettings.java