public static void verifyCCPStatsBug49539(Long expected) {
    int actual = CacheClientNotifier.getInstance().getClientProxies().iterator().next()
        .getStatistics().getMessagesNotQueuedOriginator();
    assertEquals("Bug #49539: stats do not match, expected messageNotQueuedOriginator: " + expected
        + ", actual: " + actual, (long) expected, actual);
  }
Simulates old value null, entry null
geode-core/src/distributedTest/java/org/apache/geode/internal/cache/DeltaPropagationStatsDUnitTest.java