@Test
  public void testForTwoRegionHavingALLKEYSInterest() throws Exception {
    // start server first
    PORT1 = initServerCache(true);
    createClientCache(NetworkUtils.getServerHostName(), PORT1);
    populateCache();
    registerInterestInBothTheRegions();
    closeRegion1();
    Wait.pause(6000);
    server1.invoke(ClientServerMiscDUnitTestBase::verifyInterestListOnServer);
    server1.invoke(ClientServerMiscDUnitTestBase::put);
    // pause(5000);
    verifyUpdatesOnRegion2();
  }
Test two regions: notify by subscription is true. Both the regions have registered interest in
all the keys. Now close region1 on the client. The region1 should get removed from the interest
list on CCP at server. Any update on region1 on server should not get pushed to the client.
Ensure that the message related is not added to the client's queue at all ( which is diferent
from not receiving a callbak on the client). If an update on region2 is made on the server ,
then client should receive the calback
geode-dunit/src/main/java/org/apache/geode/internal/cache/tier/sockets/ClientServerMiscDUnitTestBase.java