@Override
  public final void postSetUp() throws Exception {
    List vmList = new ArrayList();
    List idList = new ArrayList();
    for (int h = 0; h < Host.getHostCount(); h++) {
      Host host = Host.getHost(h);
      for (int v = 0; v < host.getVMCount(); v++) {
        VM vm = host.getVM(v);
        vmList.add(vm);
        idList.add(vm.invoke(this, "getDistributionManagerId"));
      }
    }
    vms = (VM[]) vmList.toArray(new VM[vmList.size()]);
    ids =
        (InternalDistributedMember[]) idList.toArray(new InternalDistributedMember[idList.size()]);
  }
Accessed via reflection. DO NOT REMOVE
geode-core/src/distributedTest/java/org/apache/geode/internal/cache/CacheAdvisorDUnitTest.java