@Override
  public final void postSetUp() throws Exception {
    disconnectAllFromDS();
    final Host host = Host.getHost(0);
    primary = host.getVM(0);
    secondary = host.getVM(1);
    client1 = host.getVM(2);
    PORT1 = primary.invoke(StatsBugDUnitTest::createServerCache);
    PORT2 = secondary.invoke(StatsBugDUnitTest::createServerCache);
  }
prefix added to the keys of events generated on secondary
geode-core/src/distributedTest/java/org/apache/geode/internal/cache/ha/StatsBugDUnitTest.java