@Test
  public void containersShouldHavePersistentSessionData() throws IOException, URISyntaxException {
    manager.startAllInactiveContainers();
    await().until(() -> {
      ServerContainer container = manager.getContainer(0);
      return container.getState().isStarted();
    });

    String key = "value_testSessionPersists";
    String value = "Foo";

    client.setPort(Integer.parseInt(manager.getContainerPort(0)));
    Client.Response resp = client.set(key, value);
    await().untilAsserted(() -> getKeyValueDataOnAllClients(key, value, resp.getSessionCookie()));
  }
Test that when a session attribute is set in one container, it is replicated to other
containers
geode-assembly/src/distributedTest/java/org/apache/geode/session/tests/CargoTestBase.java