@Override
  protected LocatorLauncher givenRunningLocator() {
    return givenRunningLocator(new LocatorCommand(this).withCommand(Command.START));
  }
Please leave unused parameter throwableClass for improved readability.
geode-core/src/integrationTest/java/org/apache/geode/distributed/LocatorLauncherRemoteIntegrationTestCase.java