private void verifySizeOnServer(String regionName, int expectedSize) {
    Cache cache = getCache();
    final Region region = cache.getRegion(regionName);
    int actualSize = region.sizeOnServer();
    assertEquals(
        "sizeOnServer returns unexpected " + actualSize + " instead of expected " + expectedSize,
        expectedSize, actualSize);
  }
set the boolean for starting the dispatcher thread a bit later to FALSE. This is just a
precaution in case any test set it to true and did not unset it on completion.
geode-dunit/src/main/java/org/apache/geode/internal/cache/tier/sockets/ClientServerMiscDUnitTestBase.java