@Override
  public final void postSetUp() throws Exception {
    final Host host = Host.getHost(0);
    server1 = host.getVM(0);
    server1.invoke(ConflationDistributedTestHelper::unsetIsSlowStart);
    client1 = host.getVM(2);
  }
get the hosts and the VMs *
geode-core/src/distributedTest/java/org/apache/geode/internal/cache/ha/HAEventIdPropagationDistributedTest.java