private void deleteStateFile(int port) {
    File stateFile = new File("locator" + port + "state.dat");
    if (stateFile.exists()) {
      stateFile.delete();
    }
  }
Create a <Code>DistributedSystem</code> with a non-default name.
geode-core/src/integrationTest/java/org/apache/geode/distributed/internal/InternalDistributedSystemIntegrationTest.java