@Override
      public void run() {
        Properties config = new Properties();
        config.setProperty(NAME, "name0");
        try {
          getSystem(config);
          fail("expected IncompatibleSystemException");
        } catch (IncompatibleSystemException ignored) {
        }
      }
Tests the configuration of many Roles and groups in one vm. Confirms no runtime distinction
between roles and groups.
geode-core/src/distributedTest/java/org/apache/geode/distributed/DistributedMemberDUnitTest.java