@After
  public void tearDown() throws Exception {
    // its stops all bridge serves associated with cache
    // delete client_messages_region
    cache.close();
  }
Close the cache in tear down *

@throws Exception - thrown if any exception occurs in tearDown
geode-core/src/integrationTest/java/org/apache/geode/internal/cache/ClientMessagesRegionCreationAndDestroyJUnitTest.java