@Before
  public void setUp() throws Exception {
    server1 = getVM(0);
    server2 = getVM(1);
    server3 = getVM(2);

    uniqueName = getClass().getSimpleName() + "_" + testName.getMethodName();
    hostName = getHostName();

    port1 = server1.invoke(this::createServerCache);
    port2 = server2.invoke(this::createServerCache);
    port3 = server3.invoke(this::createServerCache);

    createClientCache();
    awaitConnectedServerCount(3);
  }
TRAC #36526: getActiveServers can return wrong answer
geode-core/src/distributedTest/java/org/apache/geode/internal/cache/tier/sockets/GetConnectedServerCountRegressionTest.java