@Override
  public final void postSetUp() {
    host = Host.getHost(0);
    server1 = host.getVM(VersionManager.CURRENT_VERSION, 2);
    server2 = host.getVM(VersionManager.CURRENT_VERSION, 3);
  }
Tests client server corner cases between Region and Pool
geode-dunit/src/main/java/org/apache/geode/internal/cache/tier/sockets/ClientServerMiscDUnitTestBase.java